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A block of mass M is held against a roug...

A block of mass M is held against a rough vertical wall by pressing it with a finger . If the coefficient of friction between the block and the wall is `mu` and the acceleration due to gravity is g , calculate the minimum force required to be applied by the finger to hold the block against the wall.

A

`Mg/mu`

B

`muMg`

C

`Mg/(mu+1)`

D

`(mu+1)Mg`

Text Solution

Verified by Experts

The correct Answer is:
A
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