Part A

Consider the frame shown in $($Figure $1).$ Suppose that $\backslash ($ F$\_\{1\}=870\backslash$mathrm$\{$~N$\}\backslash ).$

Determine the magnitude of the reaction at pin $\backslash ($ A $\backslash ).$

Express your answer to three significant figures and include the appropriate units.

$\backslash [$

F$\_\{$A$\}=$

$\backslash ]$

Part B

Determine the magnitude of the reaction at pin $\backslash ($ B $\backslash ).$

Express your answer to three significant figures and include the appropriate units.

$\backslash [$

F$\_\{$B$\}=$

$\backslash ]$