1. The problem statement, all variables and given/known data https://www.physicsforums.com/attachment.php?attachmentid=21003&stc=1&d=1255013927 I need help for number 11(b), (d) 3. The attempt at a solution (b)(i) Electrons move towards the right since like charges repel. (ii) Unlike Charges attract. Thus, positive charges from sphere are attracted to rod.