Part B In terms of F, what is the magnitude of the force on B? Express your answer in terms of F. ANSWER: FR = 4F Correct Problem 22.3 - Enhanced - with Feedback A plastic rod that has been charged to - 13 no touches a metal sphere. Afterward, the rod's charge is - 5.0 nC. You may want to review (Pages 607 - 608) . electrons, from the rod to the sphere electrons, from the sphere to the rod protons, from the rod to the sphere protons, from the sphere to the rod