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Multiple Movable Pulley

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Question

Initially both blocks $A$ and $B$ stay at equilibrium. If string between $A$ and $B$ is cut, then the acceleration of block $B$ just after cut will be:

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Solution

If initially both blocks A and B are at equilibrium and then the string between blocks A and B is cut, then the acceleration of block B just after the cut will be due to the gravity which is $9.8 m / s e c^{2}$

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