A solid block of mass 2 kg is resting inside a box as shown in figure. The box is moving with a velocity v→=5i^+2j^ ms−1. If the coefficient of friction between the surface of box and block is 0.2, then the force of friction between the block and box is
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a
10 N
b
4 N
c
14 N
d
Zero
answer is D.
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Detailed Solution
As there is no tendency of relative slipping between the block and box, the friction force is zero.
A solid block of mass 2 kg is resting inside a box as shown in figure. The box is moving with a velocity v→=5i^+2j^ ms−1. If the coefficient of friction between the surface of box and block is 0.2, then the force of friction between the block and box is