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Two bodies A and B of masses 10 kg and 5...

Two bodies A and B of masses 10 kg and 5 kg are placed very slightly separated as shown in figure . The coefficient of friction between the floor and the blocks are `mu_(s) = mu_(k) = 0.4` . Block A is pushed by an external force F . The value of F can be changed . When the welding between block A and ground breaks , block A will start pressing block B and when welding of B also breaks , block B will start pressing the vertical wall .

The force of friction acting on B varies with the applied force F according to curve :

A

B

C

D

Text Solution

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The correct Answer is:
B
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