question_answer

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 \[3L/4\] from its lower end is

A) \[\frac{{{W}_{1}}}{S}\]                       

B)        \[\frac{{{W}_{1}}+(W/4)}{S}\]

C) \[\frac{{{W}_{1}}+(3W/4)}{S}\]

D)        \[\frac{{{W}_{1}}+W}{S}\]