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One end of uniform wire of length L and ...

One end of uniform wire of length `L` and of weight `W` is attached rigidly to a point in the roof and a weight `W_(1)` is suspended from its lower end. If `s` is the area of cross section of the wire, the stress in the wire at a height (`3L//4`) from its lower end is

A

`w_1/s`

B

`[w_1 + w/4]s

C

`[w_1 + 3w/4]ls`

D

`w_1 + w/s`

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