W #$06-3$

The structure has two brass members $($AB$)$ connected to rigid supports at A and rigid

beam BC$.$ An additional aluminum member $($CD$)$ is connect to rigid beam BC and a

rigid support at D$.$ Determine the internal axial forces in the brass and aluminum

members.

E brass $=14\mathrm{.}6$x$103$ ksi

Ealuminum $=10\mathrm{.}6$x$103$ ksi

Diambrass members $=3\mathrm{.}5$ in

Diamalum member $=4\mathrm{.}5$ in

L $=3$ ft

F $=10$ kip $($each$)$

Ans: FCD $=7\mathrm{.}50$ k $($T$)$

FAB $=6\mathrm{.}25$ k $($C$)$

$($Prob$.3\mathrm{.}2-$HW$3)$