Question $2$: $($recommended time $-10$ minutes$)$

Identify all zero$-$force members in the following trusses.

$($a$)$

$($h$)$

zerv$-$iuice hilinuer$($o$).$

Zero$-$force member$($s$)$:

$($c$)$

Zero$-$force member$($s$)$: