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A block of mass m is kept on an inclined...

A block of mass m is kept on an inclined plane of a lift moving down with acceleration of `2 m//s^(-2).` What should be the coefficient of friction to let the block move down with constant velocity relative to lift :

A

`mu = (1)/(sqrt3)`

B

`mu=0.4`

C

`mu =0.8`

D

`mu= (sqrt3)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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