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A 9-kg block is held by a pulley system shown in fig. What force must the person exert in the following cases: a) to hold the block at rest. b) to lower it at 2m/s. c) to raise it with an acceleration of 0.5 m/s2? Ignore the mass of small pulley.
Answer Thi
9 years ago

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Chanz
Ummmm.
There seems to be a distinct lack of a figure...
9 years ago

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