An effort of 240 N overcome a useful load 1000 N when applied to a blo – InterviewSolution

1.	An effort of 240 N overcome a useful load 1000 N when applied to a block and system of pulleys, such that the weight movable block and friction is 200 N. Calculate the efficiency of the system (to the nearest integer).
Answer» An effort of 240 N overcome a useful load 1000 N when applied to a block and system of pulleys, such that the weight movable block and friction is 200 N. Calculate the efficiency of the system (to the nearest integer).

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