1. Tardigrade
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  4. 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 (3 L / 4) from its lower end is

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Q. 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 $(3 L / 4)$ from its lower end is

Mechanical Properties of Solids

Solution:

image
$T=W_{1}+\frac{3 W}{4}$
Stress $=\frac{T}{A}=\left[\frac{W_{1}+\frac{3 W}{4}}{s}\right]$