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3. Five identical blocks, each of mass m, are pulled across a table as shown. Use the approximations that the table is frictionless and the strings are massless.

3. Five identical blocks, each of mass m, are pulled across a table as shown. Use the approximations that the table is frictionless and the strings are massless.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Could you help with all these questions? sections 2 and 3a-e?

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### Tension in Mechanics #### Problem 2 **Consider the following statement made by a student about each of the four motions in problem 1:** "The magnitude of the force exerted by the block on an individual string is the same as the magnitude of the force exerted by that string on the block. They are a third law force pair. So I don't understand why the block doesn’t move at constant speed if that is true." The student has correctly identified Newton's third law (action-reaction) force pair. Explain why this does not mean that the block must move at constant speed. #### Problem 3 **Five identical blocks, each of mass \( m \), are pulled across a table as shown. Use the approximations that the table is frictionless and the strings are massless.** | ![Image showing three systems of blocks: System A with one block pulled by String P, System B with two blocks pulled by String Q, System C with two blocks pulled by String R](https://image-link.com) | |:--:| | *System of blocks* | Three systems are illustrated: - **System A**: Single block pulled by String P - **System B**: Two blocks pulled by String Q - **System C**: Two blocks pulled by String R **(a) Describe the motion of each of the systems A, B, and C.** **(b) Draw vectors below to represent the acceleration of each system.** | Acceleration vector for system A | Acceleration vector for system B | Acceleration vector for system C | |:--------------------------------:|:--------------------------------:|:--------------------------------:| | | | | **(c) Draw and label separate free-body diagrams for systems A, B, and C.** | Free-body diagram for system A | Free-body diagram for system B | Free-body diagram for system C | |:------------------------------:|:------------------------------:|:------------------------------:| | | | | **(d) Rank the magnitudes of the net forces on systems A, B, and C. Explain.** **(e) Write expressions for the tension in strings P and R in terms of \( T_Q \), the tension in string Q. Show all your work.** ### Explanation of Graphs and Diagrams - **Graph/Diagram 1**: Shows a setup where three different systems with blocks are linked by
Transcribed Image Text:### Tension in Mechanics #### Problem 2 **Consider the following statement made by a student about each of the four motions in problem 1:** "The magnitude of the force exerted by the block on an individual string is the same as the magnitude of the force exerted by that string on the block. They are a third law force pair. So I don't understand why the block doesn’t move at constant speed if that is true." The student has correctly identified Newton's third law (action-reaction) force pair. Explain why this does not mean that the block must move at constant speed. #### Problem 3 **Five identical blocks, each of mass \( m \), are pulled across a table as shown. Use the approximations that the table is frictionless and the strings are massless.** | ![Image showing three systems of blocks: System A with one block pulled by String P, System B with two blocks pulled by String Q, System C with two blocks pulled by String R](https://image-link.com) | |:--:| | *System of blocks* | Three systems are illustrated: - **System A**: Single block pulled by String P - **System B**: Two blocks pulled by String Q - **System C**: Two blocks pulled by String R **(a) Describe the motion of each of the systems A, B, and C.** **(b) Draw vectors below to represent the acceleration of each system.** | Acceleration vector for system A | Acceleration vector for system B | Acceleration vector for system C | |:--------------------------------:|:--------------------------------:|:--------------------------------:| | | | | **(c) Draw and label separate free-body diagrams for systems A, B, and C.** | Free-body diagram for system A | Free-body diagram for system B | Free-body diagram for system C | |:------------------------------:|:------------------------------:|:------------------------------:| | | | | **(d) Rank the magnitudes of the net forces on systems A, B, and C. Explain.** **(e) Write expressions for the tension in strings P and R in terms of \( T_Q \), the tension in string Q. Show all your work.** ### Explanation of Graphs and Diagrams - **Graph/Diagram 1**: Shows a setup where three different systems with blocks are linked by
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