Question $4$:

$($i$)$ The bridge truss is subjected to the loading shown. Determine the force in members $\backslash (\backslash$mathrm$\{$HI$\},\backslash$mathrm$\{$HB$\}\backslash ),$ and BC$,$ using the method of section and state if the members are in tension or compression.

$($ii$)$ Determine the force in members $\backslash (\backslash$mathrm$\{$CD$\},\backslash$mathrm$\{$CF$\}\backslash ),$ and FG of the truss, using the method of section. Indicate if the mombere are in tencion or commraceion