A pendulum bob swings from point II to point III along the circular arc indicated in Figure

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A pendulum bob swings from point II to point III along the circular arc indicated in Figure 7-19.

(a) Is the work done on the bob by gravity positive, negative, or zero? Explain.
(b) Is the work done on the bob by the string positive, negative, or zero? Explain.

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Question Posted: Aug 31, 2017 11:16 AM

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A pendulum bob swings from point II to point III along the circular arc indicated in Figure

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III %3D

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Apply Equation 73 which says that the work done on an object i...View the full answer

Physics

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