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Three blocks of masses 3 kg, 5 kg and 4 kg are connected with massless strings is moving downward with the help of force F with constant velocity as shown in figure. The tension (T) in the string connecting 3 kg and 5 kg will be `(g = 10 m/s^2)`

A

100 N

B

90 N

C

120 N

D

80 N

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