Physics-
General
Easy
Question
Two blocks A and B of same mass are placed at the two ends of a plank C, which is placed on a smooth floor. The coefficient of friction between A and C and B and C is same and A and B both are given same velocity 
at the same time in the direction as shown. Find the correct graph :
- None of these
The correct answer is:
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Two blocks, one of mass A=1 kg and another B=2 kg are shown in figure. A force of 5 N is applied on A. Coefficient of friction between A and B is 0.2 and that between B and horizontal surface is zero. Find the time taken for the front face of A to coincide with that of B
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