$($Please work out all parts! Including the optional explaining how to get the answers!$)$

Determine the internal forces N$,$V$,$ and M at cross$-$section C when x$=6\text{'}$ from point A of the

beam in a$).$

$1)$ Draw free body diagrams for all your calculation;

$2)$ Find reactions at the supports;

Optional

$*$Calculate the internal forces at the cross$-$section of x in terms of x$.$