railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Simple Stress and Strain Axial Elongation of Bar
A steel rod of 2 cm diameter and 5 m long is subjected to an axial pull of 3000 kg. if E = 2.1 × 106 kg/cm2 the elongation of rod will be-
1
2.275 cm
2
0.2275 cm
3
0.02275 cm
4
2.02275 cm