Question

Question
A pulley system is operating at only 50% efficiency. How could the efficiency be increased? (1 point)
Responses

by adding more pulleys to the system
by adding more pulleys to the system

by reducing the friction on the pulleys
by reducing the friction on the pulleys

by having a second person pulling on the rope
by having a second person pulling on the rope

by decreasing the amount of weight being lifted
GPT 3.5
by decreasing the amount of weight being lifted

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