A pulley system can lift a load of 1200 N by an effort of 250 N. If the resistance due to
weight of movable parts and friction is 300 N. Calculate: (a) Mechanical advantage, (b)
Velocity ratio, (c) Total number of pulleys in the system, (d) Efficiency of the system.
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A pulley system can lift a load of 1200 N by an effort of 250 N. If the resistance due to
weight of movable parts and friction is 300 N. Calculate: (a) Mechanical advantage, (b)
Velocity ratio, (c) Total number of pulleys in the system, (d) Efficiency of the system
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