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Relation Between MA and VR

In a certain ...

Question

In a certain Simple Machine with velocity ratio $2$ , an effort of $1000$ N is needed to overcome a load of $2000$ N, What will be the efficiency of the machine.

A

1

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B

2

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C

4

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D

25

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Solution

The correct option is A 1
$E f f i c i e n c y = \frac{M A}{V R} \times 100$
$= \frac{2}{2} = 1$

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