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Suppose that $\backslash ($ P$\_\{1\}=900\backslash$mathrm$\{$lb$\}\backslash )$ and $\backslash ($ P$\_\{2\}=1200\backslash$mathrm$\{$lb$\}\backslash ).$ Suggestion: Use the sections shown in $($Figure $1).$

Part A

Determine the force in the member $\backslash ($ D C $\backslash )$ 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.

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Part B

Determine the force in the member $\backslash ($ H I $\backslash )$ 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 $\backslash ($ J I $\backslash )$ 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.

$\backslash [$

F$\_\{$J I$\}=$

$\backslash ]$

lb Figure

$1$ of $1$

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