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A body of mass m is kept on a rough fixe...

A body of mass `m` is kept on a rough fixed inclined plane of angle of inclination `theta=30^(@)`. It remains stationary. Then magnitude of force acting on the body by the inclined plane is equal to `:`

A

mg

B

mg sin `theta`

C

mg cos `theta`

D

None

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The correct Answer is:
A
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