Mechanical Engineering - Machine Design - Discussion

Discussion Forum : Machine Design - Section 4 (Q.No. 16)
16.
An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by
increasing the length of bar
decreasing the cross-sectional area of the bar
decreasing the modulus of elasticity of the bar
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Himanshu said:   6 years ago
The reduction in shock means an increase in deflection.

Rohit said:   7 years ago
The reduction in shock means a reduction in deflection or you can say deformation.
So, we know the formula WL/AE.
According to the above formula, the given answer is correct.

Post your comments here:

Your comments will be displayed after verification.