JEE Main 2014 Physics question
A block A of mass 4 kg is placed on another block B of mass 5 kg, and the block B rests on a smooth horizontal table. If the minimum force that can be applied on A so that both the blocks move together is 12 N, the maximum force that can be applied on B for the blocks to move together will be :
Answer: (1)
Solution
Reading 12 N as the limiting force on A, the common acceleration is m/s², and the friction that drives B is N. If the
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