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Question

In a single fixed pulley, the velocity ratio is always less than the mechanical advantage.


  1. True

  2. False


Solution

The correct option is B

False


We know, that incase of single fixed pulley, distance by the effort is equal to distance moved by the load upward. If dE​ = d, dL​ = d

V.R = dEdL = dd = 1

Since, L = T and E = T

But, M.A = LoadEffort = TT = 1

This is applicable in ideal conditions only. In actual practice to lift load, effort needed is more than load. Hence, V.R > M.A

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