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Two block of mass 2.9 kg and 1.9 kg are ...

Two block of mass `2.9 kg` and `1.9 kg` are suspended from a rigid support `S` by two inextensible wires each of length `1 m` , as shown in figure. The upper wire has negligible mass and the lower wires and support have an uniformly mass of `0.2 kg` .The whole system of blocks, wire and support have an upwards acceleration of `0.2 m//s^(2)`. Acceleration due to gravity is `9.8 m//s^(2)`.
(a) Find the tension at the mid point of the lower wire.
(b)Find the tension at the mid point of the upper wire.

A

10N

B

20N

C

30N

D

50N

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