Suppose that $\backslash ($ P$\_\{1\}=5\mathrm{.}2\backslash$mathrm$\{$kN$\}\backslash )$ and $\backslash ($ P$\_\{2\}=3\mathrm{.}9\backslash$mathrm$\{$kN$\}\backslash ).($Eigure $1)$

Determine the force in member $\backslash ($ G F $\backslash )$ of the roof truss.

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

$\backslash [$

F$\_\{$G F$\}=$

$\backslash ]$

$\backslash (\backslash$times $\backslash )$ Incorrect; Try Again; $5$ attempts remaining

Part B

Determine the force in member $\backslash ($ C F $\backslash )$ of the roof truss.

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

Correct

Figure

Part C

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

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