Physics, 13.11.2020 08:10 nady82

A single movable pulley is used to lift load of 4000N to the height of 50cm .If the efficiency of the pulley system is 75%, calculate the effort distance, effort applied, input work, output work and loss of energy in the simple machine.

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A single movable pulley is used to lift load of 4000N to the height of 50cm .If the efficiency of th...