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Foucault Pendulum


Suggests Earth's rotation.

Newton's first law. Useful Links: The California Academy of Sciences provides details on how to construct such a device, while the Smithsonian provides us with good information on how this amazing invention first proved that Earth rotates. Updated on: 06/13/13 Big Model at the Display Tower.


A model of a Foucault pendulum suggesting Earth rotation and pendulum vibration in a fixed plane.


Foucault pendulum device, variable speed motor


Rotate shaft from the motor drive setting the speed as low as possible. Pendulum oscillates in a fixed plane while hoop rotates.


Demo room information

Location —-
Maker Unknown
Current State Working
demonstrations/1_mechanics/1e_relative_motion/foucault_pendulum/start.txt · Last modified: 2020/01/07 17:23 by demoroom