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One end of a uniform wire of length L an...

One end of a 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 3 L/4 from its lower end is

A

`(w_1)/(A)`

B

`((W_1+W/4))/(A)`

C

`(W_1+3W/A)

D

`(W_1+W)/(A)`

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