1.

A spring of force constant k is cut into four equal parts. The force constant of each part will beA. kB. 4 kC. `k//4`D. 16 k

Answer» Correct Answer - B
Let k be the force constant for each piece.
`(1)/(k_(s))=(1)/(k)+(1)/(k)+(1)/(k)+(1)/(k)`
`therefore (1)/(k_(s))=(4)/(k) therefore k_(s)=4k`


Discussion

No Comment Found

Related InterviewSolutions