Question $2(20\%)$

Four forces, $P_1=50N,P_2=300N,P_3=120N,$ and $P_4=250N,$ are applied to the machine

component ABDE at static equilibrium as shown in Fig. Q$2.$ Find

$($a$)$ the force supplied to the component by the support at $A,$ and

$($b$)$ the couple supplied to the component by the support at $A.$

Please express your answers in vector format.

Fig. Q$2$l