Physics, asked by karkirishab78, 1 year ago

Why velocity ratio is not affected by friction?

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Answered by riya4865

Explanation:

If the frictional force in the machine increases the efficiency decreases because machines are frictionless in practice, the efficiency of a machine can never be 100%. ... Velocity ratio of simple machine is the ratio of distance travelled by effort to the distance travelled by load in the machine.

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Answered by gudly30

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