A point charge of +Q is placed at th
p:p:h2iy5siv)mfs 8f1 t ,b cle 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
:8pb2:hvf tis 5,1 p cilfym)sis placed at the lower-left corner?