UPSEE Solved Model Paper 2

Two blocks of masses m1 = 3 m and m2 = 2 m are suspended from a rigid support by inextensible uniform wires A and B. Wire A has negligible mass and wire B has a mass m3 = m as shown in the figure. The whole system of blocks, wires and the support has an upward acceleration a.

The tension at the mid-point C of wire B is