Three fixed point charges are arranged at the vertices of an equilateral triangle in the xy-plane. The bottom-left and bottom-right vertices each hold a charge of +q, while the top vertex holds a charge of -2q. A small positive test charge +q_0 is positioned at the centroid of the triangle, equidistant from all three vertices. Which of the following vector diagrams correctly represents the relative magnitudes and directions of the individual electrostatic forces exerted on the test charge, as well as the resulting net force \(\vec{F}_{\text{net}}\)?