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A homogeneous block rests against a vert...

A homogeneous block rests against a vertical wall for which the coefficient of friction is `1//2`. A force 'F' is applied to the block in the direction as shown in figure. Find the maximum magnitude of applied force 'F' such that block remains in rest.

A

mg

B

5mg

C

`mg //5`

D

`mg//2`

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The correct Answer is:
B
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