Q.

Two masses M and M/2 are joined together by means of light inextensible string passes over a frictionless pulley as shown in figure. When bigger mass is released, the small are will ascend with an acceleration of

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a

g

b

g/2

c

g/3

d

2g

answer is C.

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Detailed Solution

Given, the mass of the heavier object,m1 M = andthe mass of the light object,m2 =M/2.Now, we have acceleration, a=m1−m2m1+m2g.....(i)Putting these values in Eq. (i), we geta=M−M2M+M2g=2M−M2M2M2g=g3
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