Problem $7$

Using Grade $50$ steel, design using the lightest available W sections with the aid of AISC

tables:

a$.$ P$=200$k$,$L$=14$ft$,$ pinned ends

b$.$ P$=395$k$,$L$=18\mathrm{.}6$ft$,$ pinned fixed

c$.$ P$=425$k$,$L$=24\mathrm{.}2$ft$,$ fixed ends, pinned at mid$-$height

d$.$ P$=550$k$,$L$=16$ft$,$ bottom Fixed$-$ top pinned, pinned at $(2)/(3)$ height from top