1) Can two different forces, acting through the same point, produce the same torque on an object? Answer: Yes, as long as the component of the force perpendicular to the line joining the axis to the force is the same for both forces. 2) If you stand with your back towards a wall and your heels touching the wall, you cannot lean over to touch your toes. Why? Answer: As you bend over your center of gravity moves forward and eventually is beyond the area of the floor in touch with your feet. This does not happen when you do it away from the wall because part of your body moves back and the center of mass remains over your feet. 3) Two equal forces are applied to a door at the doorknob. The first force is applied perpendicular to the door; the second force is applied at 30° to the plane of the door. Which force exerts the greater torque? A) the first applied perpendicular to the door B) the second applied at an angle C) both exert equal non-zero torques D) both exert zero torques E) Additional information is needed. 4) A heavy boy and a lightweight girl are balanced on a massless seesaw. If they both move forward so that they are one-half their original distance from the pivot point, what will happen to the seesaw? A) It is impossible to say without knowing the masses. B) It is impossible to say without knowing the distances. C) The side the boy is sitting on will tilt downward. D) Nothing, the seesaw will still be balanced. E) The side the girl is sitting on will tilt downward. 5) A figure skater is spinning slowly with arms outstretched. She brings her arms in close to her body and her angular speed increases dramatically. The speed increase is a demonstration of A) conservation of energy: her moment of inertia is decreased, and so her angular speed must increase to conserve energy. B) conservation of angular momentum: her moment of inertia is decreased, and so her angular speed must increase to conserve angular momentum. C) Newton’s second law for rotational motion: she exerts a torque and so her angular speed increases. D) This has nothing to do with mechanics, it is simply a result of her natural ability to perform. 6) A girl weighing 450. N sits on one end of a seesaw that is 3.0 m long and is pivoted 1.3 m from the girl. If the seesaw is just balanced when a boy sits at the opposite end, what is his weight? Neglect the weight of the seesaw. 7) An 82.0 kg painter stands on a long horizontal board 1.55 m from one end. The 15.5 kg board is 5.50 m long. The board is supported at each end. (a) What is the total force provided by both supports? (b) With what force does the support, closest to the painter, push upward? FIGURE 11-4 8) The mobile shown in Figure 11-4 is perfectly balanced. What must be the masses of m1, m2, and m3?

## 1) Can two different forces, acting through the same point, produce the same torque on an object? Answer: Yes, as long as the component of the force perpendicular to the line joining the axis to the force is the same for both forces. 2) If you stand with your back towards a wall and your heels touching the wall, you cannot lean over to touch your toes. Why? Answer: As you bend over your center of gravity moves forward and eventually is beyond the area of the floor in touch with your feet. This does not happen when you do it away from the wall because part of your body moves back and the center of mass remains over your feet. 3) Two equal forces are applied to a door at the doorknob. The first force is applied perpendicular to the door; the second force is applied at 30° to the plane of the door. Which force exerts the greater torque? A) the first applied perpendicular to the door B) the second applied at an angle C) both exert equal non-zero torques D) both exert zero torques E) Additional information is needed. 4) A heavy boy and a lightweight girl are balanced on a massless seesaw. If they both move forward so that they are one-half their original distance from the pivot point, what will happen to the seesaw? A) It is impossible to say without knowing the masses. B) It is impossible to say without knowing the distances. C) The side the boy is sitting on will tilt downward. D) Nothing, the seesaw will still be balanced. E) The side the girl is sitting on will tilt downward. 5) A figure skater is spinning slowly with arms outstretched. She brings her arms in close to her body and her angular speed increases dramatically. The speed increase is a demonstration of A) conservation of energy: her moment of inertia is decreased, and so her angular speed must increase to conserve energy. B) conservation of angular momentum: her moment of inertia is decreased, and so her angular speed must increase to conserve angular momentum. C) Newton’s second law for rotational motion: she exerts a torque and so her angular speed increases. D) This has nothing to do with mechanics, it is simply a result of her natural ability to perform. 6) A girl weighing 450. N sits on one end of a seesaw that is 3.0 m long and is pivoted 1.3 m from the girl. If the seesaw is just balanced when a boy sits at the opposite end, what is his weight? Neglect the weight of the seesaw. 7) An 82.0 kg painter stands on a long horizontal board 1.55 m from one end. The 15.5 kg board is 5.50 m long. The board is supported at each end. (a) What is the total force provided by both supports? (b) With what force does the support, closest to the painter, push upward? FIGURE 11-4 8) The mobile shown in Figure 11-4 is perfectly balanced. What must be the masses of m1, m2, and m3?

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Define the term “creep” and discuss its significance in the design of polymer components.

## Define the term “creep” and discuss its significance in the design of polymer components.

Creep is a time- dependent deformation under a certain applied … Read More...
Knowing that the tension in cable AC is 1260 N, determine (a) the angle between cable AC and the boom AB, (b) the projection on AB of the force exerted by cable Ac at point A.

## Knowing that the tension in cable AC is 1260 N, determine (a) the angle between cable AC and the boom AB, (b) the projection on AB of the force exerted by cable Ac at point A.

The 80-Ib block is attached to link AB and rests on a moving belt . knowing that p= 0.25 and p= 0.20, determine the magnitude of the horizontal force P that should be applied to the belt to maintain its motion (a) to the right, (b) to the left.

## The 80-Ib block is attached to link AB and rests on a moving belt . knowing that p= 0.25 and p= 0.20, determine the magnitude of the horizontal force P that should be applied to the belt to maintain its motion (a) to the right, (b) to the left.

ESL 091 Cause and Effect Worksheet 1: Steps 1-4 of the Writing Process Name ______________________________ Class___________ Section______ THE WRITNG PROCES: STEPS 1, 2, 3, AND 4 Step 1: THINKING. Your first essay assignment is to write an Explaining/Evaluation essay about a restaurant. Begin the writing process by thinking about your topic. Think! Think! Think! Step 2: BRAINSTORMING. The purpose of brainstorming is for you to write down all of the ideas, thoughts, and pieces of information that you think about your topic before you forge them. You can use one of three brainstorming techniques, but the journalist’s questions will get you’re the most information to write an 800-word essay. We talked about three brainstorming techniques: 1) Writing down all your thoughts in a list format. 2) Creating an idea map. 3) Asking and answering the journalist’s questions that are important for your topic: Who? What? Where? When? Why? How? As you are thinking and writing down your ideas, ask yourself the following questions about your cause and effect topic: A. What is the cord cause of issue? Is there more than one cause? What is the immediate (first) effect of the cause? Does this first effect also become a cause? If so, what effect does this new cause have? Are there other effects caused by the core cause? What are they? Do they also become new causes with their own effects? If so, what are they? Core Cause/s__________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Immediate (first) Effect of the Core Cause/s_________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Other Cause and Effect Relationships_______________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ ____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Brainstorming Technique 1: Listing Your Thoughts and Ideas 1.___________________________________________________________________________________ _____________________________________________________________________________________ 2.___________________________________________________________________________________ _____________________________________________________________________________________ 3.___________________________________________________________________________________ _____________________________________________________________________________________ 4.___________________________________________________________________________________ _____________________________________________________________________________________ 5.___________________________________________________________________________________ _____________________________________________________________________________________ 6.___________________________________________________________________________________ _____________________________________________________________________________________ 7.___________________________________________________________________________________ _____________________________________________________________________________________ 8.___________________________________________________________________________________ _____________________________________________________________________________________ 9.___________________________________________________________________________________ ____________________________________________________________________________________ 10.__________________________________________________________________________________ _____________________________________________________________________________________ More information: Brainstorming Technique 2: Creating an Idea Map Sample Mind Maps for Cause and Effect Multiple Levels of Cause and Effect Brainstorming Technique 3: Asking AND Answering the Journalist’s Questions Question: Who _______________________________________________________________________ Answer____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Question: Where______________________________________________________________________ Answer____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Question: What_______________________________________________________________________ Answer_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Question: Where_______________________________________________________________________ Answer________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________¬¬_ Question: Why________________________________________________________________________ Answer______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Question: How________________________________________________________________________ Answer_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Step 3: Dropping and Selecting Information. Read your brainstorming notes and determine which information you would like to include in your cause and effect essay. Also decide which information you do NOT need for your essay. Keep what you DO need. A. Information that I will keep ___________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _________________________________________________________________________¬¬¬¬____________ ____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _________________________________________________________________________¬¬¬¬____________ B. Information that I need to add ________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _________________________________________________________________________¬¬¬¬____________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _________________________________________________________________________¬¬¬¬____________ Step 4. Writing a Working Thesis. First, decide who your audience is and what your purpose is. A. Audience: Think about who would be interested in reading your cause and effect topic. If you say: “Anyone who is interested in my topic,” your audience is too big. Think about who might benefit from knowing the information you are writing about. Be specific. _____________________________________________________________________________________ B. Purpose: The purpose in your writing is the message you want your audience to know about the topic. You can find out your purpose by asking yourself what you want your audience to know about the topic and put that in a complete sentence. _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ C. Working Thesis: A thesis is a statement that tells your audience what your overall attitude is about your topic. In a cause and effect essay, your thesis would state the core causes and major effects of the core cause. A working thesis can change as your essay changes and improves. Your thesis should include: 1) The core cause/s 2) The major effects that you will discuss in the body of the paper. Example: CORE CAUSE/S MAJOR EFFECTS Fast food and lack of movement are the core reasons for obesity, which results in disease such as heart trouble, diabetes, and joint failure. _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ ________________________________________________________________________ **********Save this worksheet and bring it to the next class meeting.***********

## ESL 091 Cause and Effect Worksheet 1: Steps 1-4 of the Writing Process Name ______________________________ Class___________ Section______ THE WRITNG PROCES: STEPS 1, 2, 3, AND 4 Step 1: THINKING. Your first essay assignment is to write an Explaining/Evaluation essay about a restaurant. Begin the writing process by thinking about your topic. Think! Think! Think! Step 2: BRAINSTORMING. The purpose of brainstorming is for you to write down all of the ideas, thoughts, and pieces of information that you think about your topic before you forge them. You can use one of three brainstorming techniques, but the journalist’s questions will get you’re the most information to write an 800-word essay. We talked about three brainstorming techniques: 1) Writing down all your thoughts in a list format. 2) Creating an idea map. 3) Asking and answering the journalist’s questions that are important for your topic: Who? What? Where? When? Why? How? As you are thinking and writing down your ideas, ask yourself the following questions about your cause and effect topic: A. What is the cord cause of issue? Is there more than one cause? What is the immediate (first) effect of the cause? Does this first effect also become a cause? If so, what effect does this new cause have? Are there other effects caused by the core cause? What are they? Do they also become new causes with their own effects? If so, what are they? Core Cause/s__________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Immediate (first) Effect of the Core Cause/s_________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Other Cause and Effect Relationships_______________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ ____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Brainstorming Technique 1: Listing Your Thoughts and Ideas 1.___________________________________________________________________________________ _____________________________________________________________________________________ 2.___________________________________________________________________________________ _____________________________________________________________________________________ 3.___________________________________________________________________________________ _____________________________________________________________________________________ 4.___________________________________________________________________________________ _____________________________________________________________________________________ 5.___________________________________________________________________________________ _____________________________________________________________________________________ 6.___________________________________________________________________________________ _____________________________________________________________________________________ 7.___________________________________________________________________________________ _____________________________________________________________________________________ 8.___________________________________________________________________________________ _____________________________________________________________________________________ 9.___________________________________________________________________________________ ____________________________________________________________________________________ 10.__________________________________________________________________________________ _____________________________________________________________________________________ More information: Brainstorming Technique 2: Creating an Idea Map Sample Mind Maps for Cause and Effect Multiple Levels of Cause and Effect Brainstorming Technique 3: Asking AND Answering the Journalist’s Questions Question: Who _______________________________________________________________________ Answer____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Question: Where______________________________________________________________________ Answer____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Question: What_______________________________________________________________________ Answer_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Question: Where_______________________________________________________________________ Answer________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________¬¬_ Question: Why________________________________________________________________________ Answer______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Question: How________________________________________________________________________ Answer_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Step 3: Dropping and Selecting Information. Read your brainstorming notes and determine which information you would like to include in your cause and effect essay. Also decide which information you do NOT need for your essay. Keep what you DO need. A. Information that I will keep ___________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _________________________________________________________________________¬¬¬¬____________ ____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _________________________________________________________________________¬¬¬¬____________ B. Information that I need to add ________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _________________________________________________________________________¬¬¬¬____________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _________________________________________________________________________¬¬¬¬____________ Step 4. Writing a Working Thesis. First, decide who your audience is and what your purpose is. A. Audience: Think about who would be interested in reading your cause and effect topic. If you say: “Anyone who is interested in my topic,” your audience is too big. Think about who might benefit from knowing the information you are writing about. Be specific. _____________________________________________________________________________________ B. Purpose: The purpose in your writing is the message you want your audience to know about the topic. You can find out your purpose by asking yourself what you want your audience to know about the topic and put that in a complete sentence. _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ C. Working Thesis: A thesis is a statement that tells your audience what your overall attitude is about your topic. In a cause and effect essay, your thesis would state the core causes and major effects of the core cause. A working thesis can change as your essay changes and improves. Your thesis should include: 1) The core cause/s 2) The major effects that you will discuss in the body of the paper. Example: CORE CAUSE/S MAJOR EFFECTS Fast food and lack of movement are the core reasons for obesity, which results in disease such as heart trouble, diabetes, and joint failure. _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ ________________________________________________________________________ **********Save this worksheet and bring it to the next class meeting.***********

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1.what do you think the philosophy of education is? 2.after knowing and studying philosophy what did you change about educational of philosophy? 3.In future what do you think a good education is?

## 1.what do you think the philosophy of education is? 2.after knowing and studying philosophy what did you change about educational of philosophy? 3.In future what do you think a good education is?

No expert has answered this question yet. You can browse … Read More...
A small block slides at a speed v on a horizontal surface. knowing that h=0.9 m , determine the required speed of the block if it is to leaves the cylindercal surface BCD when Q=30

## A small block slides at a speed v on a horizontal surface. knowing that h=0.9 m , determine the required speed of the block if it is to leaves the cylindercal surface BCD when Q=30

In a planetary gear system the radius of gear A, B, C, and D. it a and the radius of the cuter gear E is 3a . knowing that the angular velocity of gear A is clockwise and that the cuter gear E is stationary, Determine (a) the angular velocity of each plantary gear (b) the angular velocity of the spider connecting the plantary gears.

## In a planetary gear system the radius of gear A, B, C, and D. it a and the radius of the cuter gear E is 3a . knowing that the angular velocity of gear A is clockwise and that the cuter gear E is stationary, Determine (a) the angular velocity of each plantary gear (b) the angular velocity of the spider connecting the plantary gears.

A slender rod of lenght L is lodged between peg C and vertical wall and support a load P at the end A . knowing that the coefficient of static friction is 0.20