$13-29.$ The joint is subjected to a force of $\backslash ($ P$=200\backslash$mathrm$\{$lb$\}\backslash )$ and $\backslash ($ F$=150\backslash$mathrm$\{$lb$\}\backslash ).$ Determine the state of stress at points $\backslash ($ A $\backslash )$ and $\backslash ($ B $\backslash ),$ and sketch the results on differential elements located at these points. The member has a rectangular cross section of width $0\mathrm{.}75$ in$.$ and thickness $0\mathrm{.}5$ in $.$

Problem $13-29$