A cubical block of mas ‘M’ and edge ‘a’ slides down a rough inclined plane of inclination with a uniform velocity. The torque of the normal force on the block about its center has a magnitude
Since the block does not to topple, torque produced by normal forces
= Torque produced by frictional force
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A uniform cube of side a and mass m rests on a rough horizontal table. A horizontal force F is applied normal to one of the faces at a point that is directly above the centre of the face, at a height above the base. The minimum value of F for which the cube begins to topple about an edge is (assume that cube does not slide).
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