$($Bonus section$)(10$ pts max.$)$ You will be given points from only one of the two bonus

problems in this section. You may work both if you have time. Only the best score will be

taken. Points for correct answers only. $(10$ pt$.$ Max$)$

Bonus $1$ TRuss

Find the forces in the members AC$,$ AD$,$ BF$,$ BG$,$ BJ$,$ CD$,$ DI$,$ EI$,$ FI$,$ and HI for the

truss shown below. Indicate magnitude and sense of the forces in each member. $(1$

point per member$)$

$AC=$

$AD=$

$BF=$

$BG=$

$BJ=$

$CD=$

$DI=$

$EI=$

$FI=$

$HI=$