railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Simple Stress and Strain Mechanical Properties
The stiffness of an axially loaded bar is defined as________(E = modulus of elasticity, A = Area of cross section of bar, L = Length of bar)
1
\(\frac{{AE}}{L}\)
2
\(\frac{L}{{AE}}\)
3
\(\frac{E}{{AL}}\)
4
\(\frac{{AL}}{E}\)