problem06_02

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

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6.2: a) “Pulling slowly” can be taken to mean that the bucket rises at constant speed, so the tension in the rope may be taken to be the bucket’s weight. In pulling a given length of rope, from Eq. (6.1), J. 6 . 264 ) m 00 . 4 )( s / m 80 . 9 ( ) kg 75
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Unformatted text preview: . 6 ( 2 = = = = mgs Fs W b) Gravity is directed opposite to the direction of the bucket’s motion, so Eq. (6.2) gives the negative of the result of part (a), or J 265-. c) The net work done on the bucket is zero....
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  • Force, constant speed, Bucket

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