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
Correct Answer: C
Solution :
\[{{F}_{l}}={{\mu }_{s}}R=0.4\times mg\,=0.4\times 10=4N\]i.e. minimum 4N force is required to start the motion of a body. But applied force is only 3N. So the block will not move.
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