A vertical rod PQ of length L is fixed at its top end P and has a flange fixed to the bottom end Q. A weight W is dropped vertically from a height h(< L) on to the flange. The axial stress in the rod can be reduced by

[A].

increasing the length of the rod

[B].

decreasing the length of the rod

[C].

decreasing the area of cross-section of the rod

[D].

increasing the modulus of elasticity of the material

Answer: Option A

Explanation:

No answer description available for this question.