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Question

A pulley system with a velocity ratio of 4 is used to lift a load of 100kgf through a vertical height is 15m. The effort required to do so is 40kgf which is applied in the downward direction. calculate the Distance through which effort is applied?


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Solution

Given

Velocity ratio = 4

distance through which load is raised =15

Formula

V.R=distancethrougheffortisapplieddistancethroughwhichloadisraised4=dE15dE=4×15=60mDistancethroughwhicheffortisapplied=4×15=60m


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