1.

A pulley system can lift a load of 1200 N by an effort of 250 N. If the resistance due to the weight of movable parts and friction is 300 N. Find the total number of pulleys in the system.

Answer»

A pulley system can lift a load of 1200 N by an effort of 250 N. If the resistance due to the weight of movable parts and friction is 300 N. Find the total number of pulleys in the system.




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