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A cubical block of mass M and edge a slides down a rough inclined plane of inclination 9 with a uniformvelocity.

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asked Mar 24, 2018 in Physics by shabnam praween (19,050 points) ● 5 ● 6 ● 8

A cubical block of mass M and edge a slides down a rough inclined plane of inclination 9 with a uniformvelocity. The torque of the normal force on the block about its centre has a magnitude

(a) zero

(b) Mga

(c) Mga sinθ  

(d) 1/2 mga sinθ  

1 Answer

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answered Mar 24, 2018 by santoshjha (25,550 points) ● 4 ● 5 ● 6
selected Mar 27, 2018 by Vikash Kumar
 
Best answer

(d) 1/2 Mga sinθ.

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