Use the Method of Sections for this problem. Determine the force in members BC$,$ BE$,$ and EF

of the truss and state if each member is in tension or compression. Set P$\_(1)=10$kN$,$P$\_(2)=8$kN$.(6-18)$

BC$=4$kN$($C$)$;BE$=11\mathrm{.}3$kN$($C$)$;EF$=12$kN$($T$)$