The figure shows three concurrent forces. Evaluate F$1$ and F$2$ for the system to be in equilibrium.

Question $1$Select one:

A$.$

F$1=20$kN; F$2=51\mathrm{.}96$kN

B$.$

F$1=60$kN; F$2=51\mathrm{.}96$kN

C$.$

F$1=-60$kN; F$2=20$kN

D$.$

F$1=-45\mathrm{.}7$kN; F$2=35\mathrm{.}9$kN