A point charge of +Q is placed at the centroid of an equilateral trian
umt3 ,i2,isswovw., ugle. When a second charge of +Q is placed at one of the triangle's 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 c
omisw,,vws iu3t,2 u.harge of +Q placed at one of the other vertices?