engineering recuitment JSSC JE Mock Test 2023 Strength of Materials Simple Stress and Strain Axial Elongation of Bar
The figure below shows a steel rod of 25 mm2 cross-sectional area. It is loaded at four points, K, L, M, N. Assume E steel = 200 GPa. The total change in length of the rod due to loading is
1
1 μm
2
-10 μm
3
10 μm
4
-20 μm