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Question: Two springs have spring constants \(K _ { A } > K _ { B }\). The work required to stretch them by sa...

Two springs have spring constants KA>KBK _ { A } > K _ { B }. The work required to stretch them by same extension will be

A

More in spring A

B

More in spring B

C

Equal in both

D

Noting can be said

Answer

More in spring A

Explanation

Solution

Work done in stretching (W) µ Stiffness of spring (i.e. k)

Q kA>kBk _ { A } > k _ { B } Þ WA>WBW _ { A } > W _ { B }