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One-forth length of a spring of force co...

One-forth length of a spring of force constant K is cut away. The force constant of the remaining spring will be

A

`(3)/(4)`k sec

B

`(4)/(3)`k sec

C

k sec

D

4k sec

Text Solution

Verified by Experts

The correct Answer is:
B
By using `k prop (1)/(1)`
Since, one fourth length is cut away so remaining length is `(3)/(4)`th, hence k becomes `(4)/(3)` times i.e. k. = `(4)/(3)` k.
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