$2)$

The truss shown in figure is loaded with concentrated loads at B$,$ D$,$ E and G$.$ The truss is pinned to the foundation at A and supported on rollers at F$.$ Determine the internal forces in members LK$,$ LC and BC using the method of joint and checks your answers using the method of section. State if the forces are tensile or compressive.

$[$Ans: $\backslash (\backslash$mathrm$\{$F$\}\_\{\backslash$mathrm$\{$BC$\}\}=36\backslash$mathrm$\{$kN$\}(\backslash$mathrm$\{$T$\})\backslash )]$