Question

Two wires the same material have diameters in the ratio 2 : 1. If they are stretched by the same force, their elongations will be in the ratio​ ?

Answer 1

Answer:

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Answer 2

Two wires the same material have diameters in the ratio 2 : 1. If they are stretched by the same force, their elongations will be in the ratio​ ?

Calculation:

• The definition of elastic modulus is;

        $E=FL0/AO$Δ$L$

Where;

         λ=Δ$L/L0$$=F/EA0$

....is the elongation.

Where;

           $A0=\pi D^2/4$

• With the latter two expression find the ratio λ1/λ2 for any ratio $D1/D2$ for any force $F$.