Two blocks A and B of masses $$2m$$ and m, respectively are connected by a massless and inextensible string. The whole system is suspended by a massless spring with the block A above block B . The magnitudes of acceleration of A and B immediately after the string is cut, are respectively:

Question

Infinity Learn · Accepted Answer

After string is cut, free body diagram of block A $$gives2maA$$ $$=$$ $$3mg-2mg$$   or aA $$=$$ $$mg2m$$ $$=$$ $$g2Free$$ body diagram of block B givesmaB $$=$$ mg or aB $$=$$ g

Two blocks A and B of masses 2m and m, respectively are connected by a massless and inextensible string. The whole system is suspended by a massless spring with the block A above block B . The magnitudes of acceleration of A and B immediately after the string is cut, are respectively:

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