railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Simple Stress and Strain Stress and Strain
A steel rod of cross-sectional area 10 mm2 is subjected to loads at points P, Q, R and S as shown in the figure below:
If Esteel = 200 GPa, the total change in length of the rod due to loading is
1
-5 μm
2
-10 μm
3
-20 μm
4
-25 μm