A system of pulleys is used to lift a load of 1000 kgwt.If the efficie – InterviewSolution

1.

A system of pulleys is used to lift a load of 1000 kgwt.If the efficiency of the pulley system is 80% andvelocity ratio is 20, find the effort required to lift theload.

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Answer:

1000×9.81 /(20×0.80) NEWTONS.

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