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Questions  

In the figure shown, all the surfaces are smooth and the pulley is massless. A constant force of magnitude F= mg/2 is acting on the block of mass M. The acceleration of the block M is

a
mg/ 2(m+M) towards right
b
mg / 2 (m - M) towards right
c
mg / 2 (m - M) towards left
d
mg / 2 (M+m) towards left

detailed solution

Correct option is D

The system can be visualized as shown in figure. The acceleration of the block M is (towards left)

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A constant force F = m2g/2 is applied on the block of mass m1 as shown. The string and the pulley are light and the surface of the table is smooth. Find the acceleration of m1.


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