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  • Identical springs of steel and copper are equally stretched. On which, more work will have to be to done?

Identical springs of steel and copper are equally stretched. On which, more work will have to be to done?

Answers (1)

\frac{\Delta L_{1}}{\Delta L_{2}} =\frac{Ycu}{Ys}

Work done (WD) = F. \Delta L

WD steel/ WD copper = Y cu/ Ys

Ycu/Ys < 1, so WD steel < WD copper

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