Question $1$: For the following truss structure $($with members $AB,BC,AD,DE,BE,CF$ and $FG$ all of $60cm$ length each$),$ determine the force in member $CE.$

$($a$)0N$

$($U$)19\mathrm{.}9N(T)$

$($c$)257N(T)$

$($d$)363N(C)$