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System shown in figure is equilibrium in...

System shown in figure is equilibrium in vertical plane. Consider the string and spring to be massless. Both the blocks have same mass `'m'`. If the string is cut, then just after cutting it :

A

Acceleration of `'A'` is `'g'` upwards

B

Acceleration of `'A'` is `'2g'` upwards

C

Acceleration of `'B'` is `'g'` upwards

D

Acceleration of `'B'` is `'g'` downwards

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The correct Answer is:
A, D
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