Question

In ideal machines, mechanical advantage is?

Answer 1

Answer:

An ideal machine is that in which there is no dissipation of energy in any manner. In an ideal machine, the work output is equal to the work input, i.e., efficiency of an ideal machine is 100%. In ideal machines mechanical advantage is equal to velocity ratio

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Answer 2

Answer:

An ideal machine is that in which there is no dissipation of energy in any manner. In an ideal machine, the work output is equal to the work input, i.e., efficiency of an ideal machine is 100%. In ideal machines mechanical advantage is equal to velocity ratio.

(i) For an ideal machine (free from friction etc.), work output is equal to the work input, so the efficiency is equal to 1 ( or 100% ) and the mechanical advantage is numerically equal to the velocity ratio. So, For an ideal machine, M.A. = V.R.

Explanation:

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