$14\mathrm{.}3$ A W$18$ x $71$ steel beam supports a superimposed uniformly distributed load as shown. Calculate the maximum bending stress. Be sure to include the beam weight.

PROBLEM $14\mathrm{.}3$

$14\mathrm{.}4$ Rework Problem $14\mathrm{.}3$ changing the orientation of the cross section so the weak axis is the bending axis.