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A horizontal force is applied on a body ...

A horizontal force is applied on a body on a rough horizontal surface produces an acceleration ‘a’. If coefficient of friction between the body and surface which is `mu` is reduced to `mu//3`, the acceleration increases by 2 units. The value of `'mu'` is

A

2/3g

B

3/2g

C

3/g

D

1/g

Text Solution

Verified by Experts

The correct Answer is:
C
`F_(r)=F-f, f=mu_(k)mg`
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