The stress versus strain graphs for wires of | vedclass

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Question

(d) $\frac{{{Y_A}}}{{{Y_B}}} = \frac{{	an {	heta _A}}}{{	an {	heta _B}}} = \frac{{	an 60}}{{	an 30}} = \frac{{\sqrt 3 }}{{1/\sqrt 3 }} = 3 \Righ

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${Y_A} = 3{Y_B}$

Vedclass · Answer

(d) $\frac{{{Y_A}}}{{{Y_B}}} = \frac{{	an {	heta _A}}}{{	an {	heta _B}}} = \frac{{	an 60}}{{	an 30}} = \frac{{\sqrt 3 }}{{1/\sqrt 3 }} = 3 \Rightarrow {Y_A} = 3{Y_B}$

The stress versus strain graphs for wires of two materials $A$ and $B$ are as shown in the figure. If ${Y_A}$ and ${Y_B}$ are the Young ‘s modulii of the materials, then

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