A wooden block of mass $M$ resting on a rough horizontal surface is pulled with a force $F$ at an angle $\phi $ with the horizontal. If $\mu $ is the coefficient of kinetic friction between the block and the surface, then acceleration of the block is
A wooden block of mass $M$ resting on a rough horizontal surface is pulled with a force $F$ at an angle $\phi $ with the horizontal. If $\mu $ is the coefficient of kinetic friction between the block and the surface, then acceleration of the block is
- A
$\frac{F}{M}\left( {\cos \,\phi + \mu \,\sin \,\phi } \right) - \mu g$
- B
$F\,\sin \,\phi /M$
- C
$\mu F\,\cos \,\phi $
- D
$\mu F\,\sin \,\phi $
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- [IIT 2004]