The hand-operated hoist is designed to lift a 100-kg load where 25 turns of the handle on
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Question:
The hand-operated hoist is designed to lift a 100-kg load where 25 turns of the handle on the worm shaft produce one revolution of the drum. Assuming a 40-percent loss of energy due to friction in the mechanism, calculate the force F normal to the handle arm required to lift the load.
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