PROBLEM $1(20$ marks$)$

For the beam and loading shown, $($a$)$ draw the shear and bending$-$moment diagrams, $($b$)$ determine the equations of the shear and bending$-$moment curves.

PROBLEM $2(20$ marks$)$

Draw the shear and bending$-$moment diagrams for the beam and loading shown, and determine the maximum absolute value $(a)$ of the shear, $($b$)$ of the bending moment.