The pin, attached to member $\backslash ($ B C D $\backslash ),$ passes through a smooth slot in member $\backslash ($ A B $\backslash ).($Figure $1)$ Take $\backslash (\backslash$bar$\{$w$\}=140\backslash$mathrm$\{$lb$\}/\backslash$mathrm$\{$ft$\}\backslash ).$

Figure

Part A

Determine the components of the reaction at support $\backslash ($ A $\backslash ).$

Express your answers in pounds to three significant figures. Enter your answers separated by a comma.

Part B

Determine the reaction at support $\backslash ($ C $\backslash ).$

Express your answer in pounds to three significant figures.

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Part C

Determine the components of the reaction at support $\backslash ($ D $\backslash ).$

Express your answers in pounds to three significant figures. Enter your answers separated by a comma.