This problem must be solved using regular ol Newton's $2$ nd Law

For the four$-$bar linkage in the shown configuration, solve for T$2$ that must be applied to link $2($from O $)$ in order to maintain static equilibrium.

Figure P$11\mathrm{.}10R_{A{O}_2}=75mm,R_{CA}=300mm,$

$R_{O_4{O}_2}=400mm,R_{C{O}_4}=R_{BA}=200mm,$ and $R_{BC}=150mm.$