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Atwood’s Machine. A 15.0-kg load of bricks hangs from one

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

Solution for problem 15E Chapter 5

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 15E

Atwood’s Machine. A 15.0-kg load of bricks hangs from one end of a rope that passes over a small, frictionless pulley. A 28.0-kg counterweight is suspended from the other end of the rope (Fig. E5.15). The system is released from rest. (a) Draw two free-body diagrams, one for the load of bricks and one for the counterweight. (b) What is the magnitude of the upward acceleration of the load of bricks? (c) What is the tension in the rope while the load is moving? How does the tension compare to the weight of the load of bricks? To the weight of the counterweight?

Step-by-Step Solution:
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Solution 15E (a) The free body diagram can be drawn as shown below. (b) Let the upward acceleration for the load of the bricks is a. Now, from the free body diagram of the load of the bricks, we get T 15g = 15a…..(1) From the free body diagram of the counterweight, we get 28g T = 28a…..(2) Now, adding equations (1) and (2), we have 28g 15g = 28a + 15a 13g = 43a a = 13g/43 m/s 2 a = 2.96 m/s 2 …..(3) Therefore, the value of upward acceleration is 2.96 m/s .2 (c) Now, using the value...

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Chapter 5, Problem 15E is Solved
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Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

This textbook survival guide was created for the textbook: University Physics, edition: 13. The answer to “Atwood’s Machine. A 15.0-kg load of bricks hangs from one end of a rope that passes over a small, frictionless pulley. A 28.0-kg counterweight is suspended from the other end of the rope (Fig. E5.15). The system is released from rest. (a) Draw two free-body diagrams, one for the load of bricks and one for the counterweight. (b) What is the magnitude of the upward acceleration of the load of bricks? (c) What is the tension in the rope while the load is moving? How does the tension compare to the weight of the load of bricks? To the weight of the counterweight?” is broken down into a number of easy to follow steps, and 103 words. University Physics was written by and is associated to the ISBN: 9780321675460. This full solution covers the following key subjects: load, bricks, counterweight, rope, tension. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The full step-by-step solution to problem: 15E from chapter: 5 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. Since the solution to 15E from 5 chapter was answered, more than 470 students have viewed the full step-by-step answer.

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