A second piece of glass rubbed with a second piece of resin, then separated and suspended near the former pieces of glass and resin causes these phenomena: The two pieces of glass repel each other. Each piece of glass attracts each piece of resin. The two pieces of resin repel each other.
A second piece of glass rubbed with a second piece of resin, then separated and suspended near the former pieces of glass and resin causes these phenomena: The two pieces of glass repe.l each other. Each piece of glass attracts each piece of resin. The two pieces of resin repel each other