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A cubical block of mass m and edge 'a' s...

A cubical block of mass m and edge 'a' slides down a rough inclined plane of inclination `theta` with uniform velocity. Find the torque of the normal force acting on the block, about its centre.

A

zero

B

Mga

C

`Mgasintheta`

D

`1/2Mgasintheta`

Text Solution

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The correct Answer is:
D
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