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A cubical block of mass M and edge a sli...

A cubical block of mass M and edge a slides down a rougg inclined plane of inclination `theta` with a uniform velocity. The torque of the normal force on the block about its centre has magnitude.

A

zero

B

Mga

C

Mga `sin theta `

D

`((mga sin theta ))/2 `

Text Solution

Verified by Experts

The correct Answer is:
D
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