One end of uniform wire of length L and of weight W is attached rigidly to a point in the roof and a weight W1 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

Force = weight suspended + weight of 3L/4 of wire=W1+3W4 Stress = Force Area =W1+3W4/s

One end of uniform wire of length L and of weight W is attached rigidly to a point in the roof and a weight W1 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

Force = weight suspended + weight of 3L/4 of wire=W1+3W4 Stress = Force Area =W1+3W4/s

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One end of uniform wire of length L and of weight W is attached rigidly to a point in the roof and a weight W₁is 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

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$\frac{W_{1} + W}{s}$

$[W_{1} + \frac{3 W}{4}] / s$

$\frac{W_{1}}{s}$

$[W_{1} + \frac{W}{4}] / s$

answer is C.

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Force = weight suspended + weight of 3L/4 of wire

$\begin{array}{l} = W_{1} + \frac{3 W}{4} \\ Stress = \frac{Force}{Area} = (W_{1} + \frac{3 W}{4}) / s \end{array}$

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One end of uniform wire of length L and of weight W is attached rigidly to a point in the roof and a weight W1 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

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One end of uniform wire of length L and of weight W is attached rigidly to a point in the roof and a weight W₁is 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