Question $3$: $(10$ points$)$

An overhand beam is subjective to the external loads as shown in the figure below.

$($a$)$ Draw FBD and determine the reactions at $\backslash ($ A $\backslash )$ and $\backslash ($ B $\backslash ).$

$($b$)$ Using either equilibrium method or graphical method to sketch the $\backslash ($ V$($x$)\backslash )$ and $\backslash ($ M$($x$)\backslash )$ diagrams.

$($c$)$ Determine the maximum shear force $\backslash ($ V$($x$)\backslash )$ and bending moment $\backslash ($ M$($x$)\backslash )$ along the beam $\backslash ($ A C $\backslash ).$