Question

The mass m is placed on a body of mass M.there is no friction .the force f is applied on M and it moves with acceleration a. Then the net force on the top body is

Answer 1

Answer:F=(M+m)a

Explanation:since there is no friction force and the force is applied at the lowest body thus the total mass will be (M+m) moving with acceleration a

Then net force F= ma = (M+m) a.

F=(M+m)a

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