railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Simple Stress and Strain Deflection of Bar
A steel rod 1.0 m long is subjected to a tensile force of 20 kN. Calculate the cross sectional area of rod, if it experiences an elongation of 1.5 mm. Take modulus of elasticity for the rod material is 200 Gpa.
1
66.66 mm2
2
78.25 mm2
3
96.11 mm2
4
50.25 mm2