A point charge of +Q is placed at the centroid of an equilateral tri
1 g63.bnegqe . fyye5eangle. When a second charge of +Q is placed at one of the triangle'
eq6f.e3e byyg5g e.n1s vertices, an electrostatic force of 4.0 N acts on it. What is the magnitude of the force that acts on the center charge due to a third charge of +Q placed at one of the other vertices?