Suppose that $P_1=1350lb$ and $P_2=1800lb.$ Suggestion: Use the sections shown in $($Figure $1).$

Figure

Part A

Determine the force in the member $DC$ of the truss.

Express your answer in pounds to three significant figures. Enter negative value in the case ompression and positive value in the case of tension.

$\sqrt[7]{A}$nvec$+0u?$

$F_{DC}=lb$

RequestAnswer

Part B

Determine the force in the member $HI$ of the truss

Express your answer in pounds to three significant figures. Enter negative value in the case of compression and positive value in the case of tension.

Request Answer

Part C

Determine the force in the member $JI$ of the truss.

Express your answer in pounds to three significant figures. Enter negative value in the case of compression and positive value in the case of tension.

$\sqrt[9]{}$

$A$

It

vec

$h$

$0$

$?$

$F_{JI}=$

$lb$