Question

A block A of mass 7kg is placed on a frictionless table. A thread tied to it passes over frictionless pulley and carries a body B of mass 3kg at the other end.Find the acceleration of the system

Answer 1

For body A, T = M1 a = 7 a

For body B, M2 g _T = M2 a

3 g-7 a = 3 a

10 a = 3 g

g=10

Answer: 3m/s2

Answer 2

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