A point charge of +Q is placed at
,a9h5w (ze 5ko-1qo)y (mo*c a j2bp1ocsbjj athe center of a square, and a second point charge of -Q is placed at the upper-left corner. It is observed that an electrostatic force of 2.0 N acts on the positive charge at the center. What is the magnitude of the force that acts on the center charge if a third charge of -Q is place
5ao*q e(1 s o-)wha5 (9,jjcbcjbzk 2m 1oaoypd at the lower-left corner?