Question $3$: The sample given in the figure below is pulled at a constant speed. The initial measurement length of the sample was $50mm,$ its width was $12mm$ and its thickness was $2\mathrm{.}5mm.$ Considering that the force and elongation values given in the table below are recorded by the tensile device and the final length of the sample is measured to be $52mm,$ the final width is $10\mathrm{.}80mm$ and the final thickness is $2\mathrm{.}10mm,$ calculate the following values. $(35$ Points$)$

$\%$ Area Reduction $\%=\frac{A_{\text{s}\text{o}\text{n}}-A_{\text{i}\text{t}\text{k}}}{A_{\text{i}\text{l}\text{k}}}$ Rete $=\frac{F}{A},$:$.=\frac{L}{\text{D}\text{i}\text{f}\text{i}\text{g}\text{i}\text{k}}$;$,=E.$

$($a$)$ Draw the stress strain

$($d$)$ Calculate the breaking strength.

curve.

$($b$)$ Find the modulus of elasticity.

$($e$)$ Calculate the percent area reduction.

$($c$)$ Calculate the tensile strength.

$($f$)$ Calculate the percent permanent elongation.

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