25. A solid block of mass 2 kg is restin...

25. A solid block of mass 2 kg is resting inside a cube as shown in Fig. 7.276. The cube is moving with a velocity V = Si +2j ms. If the coefficient of friction between the surface of cube and block is 0.2, then the force of friction between the block and cube is Fig. 7.276 a. 10N b. 4 N c. 14 N d. Zero block of mass m is lying on a wedge having inclination

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