railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Simple Stress and Strain Axial Elongation of Bar
If a force of 15 N is applied axially to a steel bar of length 2m and with a modulus of elasticity equal to 20 MPa. calculate the elongation of this circularly tapered bar have end face diameters as 0.5 m and 0.4 m respectively. Take pi = 3
1
0.01 mm
2
1 mm
3
0.01 cm
4
1 cm