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The correct relationship between the mechanical advantage (M.A.), velocity ratio (V.R.) and efficiency (η) is:
The correct relationship between the mechanical advantage (M.A.), velocity ratio (V.R.) and efficiency (η) is:
Class 10 | ICSE | Machines | Physics | Selina
The correct relationship between the mechanical advantage (M.A.), velocity ratio (V.R.) and efficiency (η) is:

 a. M.A. = η x V.R.

 b. V.R. = η x M.A.

 c. η = M.A. x V.R.

 d. None of these

Solutions:

The mechanical advantage (M.A) is the product of velocity ratio (V.R) and efficiency (η). We can write it as –

M.A. = η × V.R.

i

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