Mechanical Engineering - Machine Design - Discussion

Discussion Forum : Machine Design - Section 11 (Q.No. 38)
38.
When a helical compression spring is cut into halves, the stiffness of the resulting spring will be
same
double
one-half
one-fourth
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Ashok said:   1 decade ago
If f is applied on L length sprig it will deflect by x distance.
When spring is L/2 deflection is also x/2 for same force f.

And K=F/deflection.

Therefore k is inversely proportional to deflection.
When deflection is half K is double.
(1)

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