Write the equations for shear $V$ and moment $M$ for the following beam. Take

the origin as point $A.$ Evaluate $V$ and $M$ at a point just to the right of $C$ using

the equations. Confirm your answers by making a cut just to the right of $C$

and using the FBD to also solve for V and M at C $.$

Show work to get the correct answers: P$1$: VC$(+)=20$ kip, MC$(+)=-40$ kip$-$ft$,$ M$($x$)=-810+90$x $-5/2*$x$^2$ for Segment CD