A coin is placed on a platform of tape on the hook of a wire coat hanger. The coat hanger is spun around in a circular path. The coin stays on the platform due to inertia and centripetal force.
Archive for March, 2007
I just got some Styrofoam pellets from Educational Innovations and videotaped some static electricity phenomena. According to the enclosed sheet static electricity is:
Objects become charged when rubbed against each other. This happens because negatively charged electrons flow from one object to the other. The direction they flow depends on the materials themselves. […]
