Rubbing a PVC rod with animal fur gives the rod a negative charge. When the rod is moved next to the metal coke can the charges on the rod will attract positive charges to the surface of the can near the rod. This causes the can to be attracted to the rod.
(5A40.20) Using a Charge on a Rod to Move a Soda Can
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Rubbing a PVC rod with animal fur gives the rod a negative charge. When the rod is moved next to the metal coke can the charges on the rod will attract positive charges to the surface of the can near the rod. This causes the can to be attracted to the rod.
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