SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Strength of Materials Simple Stress and Strain Axial Elongation of Bar
An super alloy wire of 3mm2 cross sectional area and 24N weight hangs freely under its own weight. Find the maximum length of the wire if its extension is not to exceed 0.3mm. Take E for the alloy material as 120 GPa.
1
12 m
2
9 m
3
10 m
4
8 m