Your answer is partially correct.

Calculate the force and moment reactions at the bolted base $O$ of the overhead traffice$-$signal assembly. Each traffic signal has a mass of $27$ kg $,$ while the masses of members $OC$ and $AC$ are $72$ kg and $61$ kg $,$ respectively. Positive answers are to the right, up$,$ and counterclockwise.

Answers:

$O_x=,kN$

$O_y=,kN$

$M_O=kN*m$