$7\mathrm{.}33$ and $7\mathrm{.}34$ For the beam and loading shown, $(a)$ draw the shear and bending$-$moment diagrams, $(b)$ determine the

maximum absolute values of the shear and bending moment.

$P=1000lbs$

$L=20ft$

$Mo=500lbs-ft$

Fig. P$7\mathrm{.}33$