. A block of mass m is placed on the plank of mass M as shown in the figure. Coefficient of friction between the surfaces of m and M is m and there is n


A block of mass m is placed on the plank of mass M as shown in the figure. Coefficient of friction between the surfaces of m and M is m and there is no friction between ground and M. A horizontal force F = kt is applied on the block, where k is a constant and t is the time. Which of the following graphs shows the acceleration of the plank?
                                 

  • (A):
  • (B):
  • (C):
  • (D):

Best Answer

Correct Answer:

(A):

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