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A block of mass m slides down an incline...

A block of mass m slides down an inclined plane which makes an angle `theta` with the horizontal. The coefficient of friction between the block and the plane is `mu`. The force exerted by the block on the plane is

A

mg

B

`mg sin theta`

C

`mg cos theta`

D

`mg tan theta`

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AAKASH INSTITUTE ENGLISH-LAWS OF MOTION-EXERCISE
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  2. The limiting value of static friction between two contact surfaces is

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