In figure tension in the string that connects the masses A and B is T1 and that in the string connecting B and C is T2, then is : (1) 2 (2) 0.5 (3) 4 (4) 0.25

The acceleration of the system = a = (2m -m)(2m + m)  g a = g3now, tension in the string between B and C =T2 =  apparent weight of C = m × g- g3T2 = 23mgnow, Tension between A and B = weighnt of AT1 = mgnow,T1 T2 = mg23 mg = 32

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