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In the conical pendulum in Example 5.20 (Section 5.4),

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

Solution for problem 7DQ 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 7DQ

In the conical pendulum in Example 5.20 (Section 5.4), which of the forces do work on the bob while it is swinging?

Step-by-Step Solution:

Solution 7DQ Step 1: As the pendulum is swinging, the only forces acting on it are gravity and tension. Gravity acts downwards and tension is along the string. Step 2: We know that, work done is W = Fds----------------(1) Where ds is the infinitesimal displacement element along the displacement of the bob. The work done due to gravity is, W G F dG------------------(2) But gravity is acting downwards and the displacement is perpendicular to it. So, the dot product will be zero. Hence the work done is zero.

Step 3 of 3

Chapter 6, Problem 7DQ is Solved
Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

University Physics was written by and is associated to the ISBN: 9780321675460. This full solution covers the following key subjects: Bob, conical, Example, forces, Pendulum. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The full step-by-step solution to problem: 7DQ from chapter: 6 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. The answer to “In the conical pendulum in Example 5.20 (Section 5.4), which of the forces do work on the bob while it is swinging?” is broken down into a number of easy to follow steps, and 22 words. This textbook survival guide was created for the textbook: University Physics, edition: 13. Since the solution to 7DQ from 6 chapter was answered, more than 658 students have viewed the full step-by-step answer.

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In the conical pendulum in Example 5.20 (Section 5.4),

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