JEE Main 2026 · 2 Apr · Shift 1, Physics question 49

A uniform wire of length $l$ of weight $w$ is suspended from the roof with a weight of $W$ at the other end. The stress in the wire at $\dfrac l3$ distance from the top is $\left(\dfrac WA+\dfrac2\gamma\dfrac wA\right)$, where, $A$ is the cross sectional area of the wire. The value of $\gamma$ is ________.