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

PHYSICS · Numerical · CBSE · Physics · Mechanical Properties of Solids · Mechanical Properties of Solids

Problem

One end of a uniform wire of length

L

and 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 cross-sectional area of the wire, the stress in the wire at a height

\frac{L}{4}

from its lower end is