engineering recuitment UPCL AE (E&M) 2021 Mock Test Strength of Materials Simple Stress and Strain Stress and Strain
A steel bar 100 mm long is subjected to a tensile stress σ. If change in length of bar is 0.05 mm what is the value of σ? Given E = 200 GPa
1
200 MPa
2
100 MPa
3
80 MPa
4
150 MPa