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The friction coefficient between the boa...

The friction coefficient between the board and the floor shown in figure is `mu` Find the maximum force that the man can exert on the rope so that the board does not slip on the floor

A

`(mu(m+M)g)/((2+mu))`

B

`(mu(m+M)g)/((1+mu))`

C

`(mu(m+M)g)/((2-mu))`

D

`(mu(m+M)g)/((1-mu))`

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The correct Answer is:
B
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