Question

Choose the BEST answer to the following:

Lift a 100-N crate with an ideal pulley system by pulling a rope downward with 25 N of force. For every 1-m length of rope pulled down, the crate rises

(a) 25 cm.

(b) 25 m.

(c) 50 cm.

(d) None of these.

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Work,Power and Energy

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