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Answer to Question #18437 in Mechanics | Relativity for Janice
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) What is the work done on the bag of nails by the pulley?
2) How much work is input to the system?
Expert's answer
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