Elongation of a bar of uniform cross section of length ‘L’, due to its own weight ‘W’ is
given by
a. 2WL/E
b. WL/E
c. WL/2E
d. WL/3E
Where, E=Young’s modulus of elasticity of material
given by
a. 2WL/E
b. WL/E
c. WL/2E
d. WL/3E
Where, E=Young’s modulus of elasticity of material