problem07_29

University Physics with Modern Physics with Mastering Physics (11th Edition)

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7.29: a) When the book moves to the left, the friction force is to the right, and the work is J. 6 . 3 ) m 0 . 3 )( N 2 . 1 ( - = - b) The friction force is now to the left, and the work is again
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Unformatted text preview: . J 6 . 3-c) . J 2 . 7-d) The net work done by friction for the round trip is not zero, and friction is not a conservative force....
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This document was uploaded on 02/04/2008.

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