1.

In the figure shown, a block of weight 10 N resting on a horizontal surface. The coefficient of static friction between the block and the surface \[{{\mu }_{s}}=0.4\]. A force of 3.5 N will keep the block in uniform motion, once it has been set in motion. A horizontal force of 3 N is applied to the block, then the block will [MP PET 1993]

A. Move over the surface with constant velocity
B. Move having accelerated motion over the surface
C. Not move
D. First it will move with a constant velocity for some time and then will have accelerated motion
Answer» D. First it will move with a constant velocity for some time and then will have accelerated motion


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