The beam is supported by a roller at A$,$ a pin at C$,$ and a deformable rod $($E $=200$ GPa for both the beam and

the rod$)$ at B$.$ Determine the reaction at B and the deflection of B$.$ Let w $=2\mathrm{.}2$ kN$/$m$.[$FB $=161\mathrm{.}9$ N$,$ vB $=$

$\mathrm{.}01288$ mm down$]]$