Three forces F₁, F₂ and F₃ act on an object as shown in the free-body diagram above. F₁ has a magnitude of 6 N while F₂ and F₃ each have a magnitude of 3 N. All forces make angles of 30° with the x-axis as shown.

What is the magnitude of F_net, the net force acting on the object?

|F_net| = N