MECH $325$ Midterm $\backslash$#$2$

Problem $1(30$ pts$)$

$(1)$ Determine the reactions at the two supports of $\backslash ($ A $\backslash )$ and $\backslash ($ B $\backslash ).(2)$ Determine shear force $\backslash ($ V $\backslash )$ and bending moment M at a cross section $18$ ft from the left$-$hand end A of the beam. $(3)$ Using sign definitions from e$-$bodies, are they negative or positve?