Problem 2
A (positively or negatively) charged rod is brought up to the same distance from each set of metal spheres as shown in the separate situations below. The spheres in each pair are initially in contact, but they are separated while the rod is still in place. Then the rod is removed. Rank the net charge on each sphere from most positive to the most negative after the spheres have been separated and the charged rod removed.
Most positive:
Most negative:
(If there is a tie place both spheres on the same line)