A point charge of +Q is placed at the centroid of an equilateral triang
pfi+/q.llr69m un3m ko;t9lmbu+u p3le. 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 charge of +Q placed at
;+o uupkmi9qfbm93r/llut +l3p6m n. one of the other vertices?