Three blocks A, B and C of masses
2 kg,3 kg and
4 kg are placed as shown. Coefficient of friction between A and B is 0.5 and that between B and C is 0.1. The surface is frictionless. The maximum force
F in N that can be applied horizontally onto A such that the three blocks move together is (Answer upto 2 decimal places and take
g=10 ms−2 )
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