Determine the efficiency of the machine

Reference no: EM13246888

A pulley system is used to lift a piano 3.4 m. The acceleration of gravity is 9.81 m/s2 . If a force of 2315 N is applied to the rope as the rope is pulled in 17 m, what is the efficiency of the machine? Assume the mass of the piano is 669 kg.

Reference no: EM13246888

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