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A rope tied to a body is pulled, causing the body to

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 3DQ Chapter 6

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 3DQ

A rope tied to a body is pulled, causing the body to accelerate. But according to Newton’s third law, the body pulls back on the rope with a force of equal magnitude and opposite direction. Is the total work done then zero? If so, how can the body’s kinetic energy change? Explain.

Step-by-Step Solution:

Solution 3DQ Step 1: If work is done on a system, the kinetic energy of the system will change. In this case, a rope is tied to a body and it is pulled. So, the body will exert a same force opposite to the direction of pulling. But, if the pulling force is more, the body will move towards the direction of pulling...

Step 2 of 3

Chapter 6, Problem 3DQ is Solved
Step 3 of 3

Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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