$3.$ The bracket shown below is subjected to a series of concentrated forces.

Find:

$-$ Replace the system of forces on the bracket with an equivalent force and moment system about point $\backslash ($ O $\backslash )$ in newtons and meters. Indicate the direction of the forces at $\backslash ($ O $\backslash )$ and the moment at O $($clockwise or counter$-$clockwise in your answer$).$