Tegangan, Regangan dan Modulus Elastisitas

(A)   Tegangan (stress)

\begin{equation*}
\begin{split}
\sigma & = \frac{F}{A} \\\\
\sigma& = \frac{10}{4 \:.\: 10^{-4}} \\\\
\sigma & = 25.000 \text{ N/m}^2
\end{split}
\end{equation*}

(B)   Regangan (strain)

\begin{equation*}
\begin{split}
\varepsilon & = \frac{\Delta L}{L_o} \\\\
\varepsilon & = \frac{1}{200} \\\\
\varepsilon & = 5 \:.\: 10^{-3}
\end{split}
\end{equation*}

(C)   Modulus elastisitas

\begin{equation*}
\begin{split}
E & = \frac{\sigma}{\varepsilon} \\\\
E & = \frac{25.000}{5 \:.\: 10^{-3}} \\\\
E & = 5 \:.\: 10^{6} \text{ N/m}^2
\end{split}
\end{equation*}