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Question

How is mechanical advantage related to the velocity ratio for an ideal machine?


A

Mechanical advantage is equal to the velocity ratio.

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B

Mechanical advantage is always greater than the velocity ratio.

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C

Mechanical advantage is always less than the velocity ratio.

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D

None of these.

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Solution

The correct option is A

Mechanical advantage is equal to the velocity ratio.


Ideal machine is free from friction and its efficiency is 100%. For an ideal machine, the efficiency is always equal to 1 and the mechanical advantage is numerically equal to the velocity ratio.


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