Asked by Jimoh Abdul rasheed

In a machine ,a load of 160Newton is lifted up by an effort of 25Newton.the velocity ratio is 8,what is the efficiency of the machine
Answered by Damon
160/25 = 6.4 = real mechanical advantage
8 = ideal mechanical advantage
100 * 6.4/8
Answered by henry2,
eff. = L/(E*Vr) = 160/(25*8) = 0.80 = 80%.
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