Question #18437
A pulley system with 76% efficiency is set up to lift a 18kg bag of nails. The bag is lifted to a height of 2.1m by a person pulling on the rope with a force of 58.0N.

1) What is the work done on the bag of nails by the pulley?


2) How much work is input to the system?
1
Expert's answer
2012-11-14T07:34:01-0500
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