$5.)$

What is the internal force B$,$ explain.

Which looing is proper of a truss, explain

a$)$

p$)$ Name the truss elements. $($Note: There may be words than needed$)$ Word Bank: Diagonal Member, Vertical member horizontal member, lang member, top chord, joint, sollouctors,

How many eqn of equilibrium we can use at atross joust and name. thent.

$1$

a the

$6$