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A body of mass m is placed on a rough su...

A body of mass m is placed on a rough surface with coefficient of friction `mu` inclined at `theta`. If the mass is in equilibrium , then

A

`theta = tan^(-1) ( ( m)/(mu))`

B

`theta = tan^(-1) ( mu ) `

C

`theta = tan^(-) ((mu)/(m))`

D

`theta = tan^(-1) ( 1//mu )`

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