Mechanical advantage $(M . A)$ , load $(L)$ and effort $(E)$ are related as :

M . A = L \times E

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L = E \times M . A

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E = M . A \times L

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none of these

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Solution

The correct option is A $L = E \times M . A$
Let,
$M . A$ $=$ mechanical advantage,
$L$ $=$ load,
$E$ $=$ effort,
So, $M . A$ $=$ $\frac{L}{E}$
Hence we get $L = M . A \times E$

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