Question

In actual machine efficiency ...

Answer 1

Answer:

The efficiency of a actual machine is equal to the ratio of its output ( resistance multiplied by the distance it is moved ) to it's input ( effort multiplied by the distance through which it is exerted ); it is also equal to the ratio of the AMA to the IMA.

Answer 2

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1. Actual machine is efficient
2. But it cannot be 100%
3. It is always less than 1 or 100%
4. Bez of the resistance in it.

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