Question

Mechanical advantage is the ratio of
.

Efficiency is the ratio of
expressed as a percentage.

Answer 1

Answer:

Efficiency is the ratio of Mechanical advantage and Velocity ratio(V.R) experessed as a percentage.

efficiency=$\frac{M.A}{V.A}* 100%$

Mechanical advantage is the ratio of the input force(I.F) to the output force(O.F)

$\frac{I.F}{O.F}$

Explanation:

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