Question $2[15$ Marks$]$

A truss is shown in Figure $1.$ The supports at A and M are pin supports and all members are pin connected. Making reference to this truss:

$[1]($a$)$ Determine if the truss is stable and statically determinate.

$[1]($b$)$ Specify the zero force members in the truss $($if any$).$

$[4]($c$)$ Determine the magnitude and direction of all reactions.

$($d$)$ Determine the axial force in each of the following members, indicating whether

$[3]$

the member is in tension or compression:

$[3]$

$($i$)$ Member $AC$

$[3]$

$($ii$)$ Member $CE$

$($iii$)$ Member $EF$

Figure $1-$Truss for Question $2$