A set of pulleys is used to raise a 200 N crate 5 m. to fo this the operator applies a force of 50 N and pulls in 25 m of rope. Find the efficiency of the pulley system.
A: 50%
B: 62.5%
C: 75%
D: 80%
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Home » Physics » A set of pulleys is used to raise a 200 N crate 5 m. to fo this the operator applies a force of 50 N and pulls in 25 m of rope. Find the efficiency of the pulley system. A: 50% B: 62.5% C: 75% D: 80%