$1.(1)(30$ pts$)$ Link $\backslash ($ O B $\backslash )$ in the drawing below is $\backslash (20[\backslash$mathrm$\{$~mm$\}]\backslash )$ wide $($in the plane of the page$)$ and $\backslash (10[\backslash$mathrm$\{$~mm$\}]\backslash )$ thick $($into the page$).$ Link $\backslash ($ O B $\backslash )$ is made from low$-$carbon steel with yield strength of $200[$MPa$].$ Per the drawing, link $\backslash ($ O B $\backslash )$ is pinned on both ends and has an $800[$mm$]$ center$-$to$-$center distance of the pins.

$($Use Recommended Value$*$ values for end$-$condition constraints.$)$