$*$Prob$.1\mathrm{.}4-18.$ A vertical force $\backslash ($ P$=1\backslash$mathrm$\{$kN$\}\backslash )$ acts on frame $\backslash ($ A B E $\backslash ),$ as shown in Fig. P$1\mathrm{.}4-18.$ The frame is supported, through frictionless pins, by a wheel at $\backslash ($ B $\backslash )$ and by a fixed$-$pin support block at $\backslash ($ E $\backslash ).($a$)$ Determine the reaction at $\backslash ($ E $\backslash ),$ and $($b$)$ determine the internal resultants $($axial force, shear force, and bending moment$)$ on the cross section at point $\backslash ($ C $\backslash ).$ See the inset for a definition of the resultants. $($Note: Use the given dimensions to eliminate the angle $\backslash (\backslash$phi $\backslash )$ from your answers. The radius of the pulley at $\backslash ($ A $\backslash )$ is not negligible.$)$