engineering recuitment NHPC JE & THDC JE 2023 Mock Test Strength of Materials Simple Stress and Strain Stress and Strain
A bar of uniform cross-section and homogenous material weighing 1000 N and having a cross-section of 1 cm2 and length of 1 m, hangs vertically while suspended from one end. The value of Young's modulus of the material, E = 10000 N/mm2. The extension of the bar due to its own weight will be
1
1 mm
2
0.5 mm
3
2 mm
4
0.25 mm