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July 25, 2014

Homework Help: physical science

Posted by tina on Thursday, January 3, 2013 at 1:20pm.

Using Fig. 4.28 as an example, how much applied force would the man need to have to pull the block (weight or output force = 500 N) if the rope he is holding is 7 m long and the rope on the pulley is 2 m long? (Hint, the pulley is a simple machine)

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