In the Barton's pendulums experiment, pendulums other than the target pendulum do not move as much, demonstrating that torquing a pendulum at its resonance frequency is most efficient.
Sources
- Barton's pendulums (en.wikipedia.org)
- https://sciencedemonstrations.fas.harvard.edu/presentations/bartons-pendulum (sciencedemonstrations.fas.harvard.edu)
- https://www.schoolphysics.co.uk/age16-19/Mechanics/Simple%20harmonic%20motion/text/Resonance_/index.html (schoolphysics.co.uk)
- https://xmphysics.com/2024/04/28/8-5-1-bartons-pendulum/ (xmphysics.com)
- https://web.physics.ucsb.edu/~lecturedemonstrations/Composer/Pages/40.42.html (web.physics.ucsb.edu)
- https://lecdem.physics.umd.edu/g/g2/g2-12.html (lecdem.physics.umd.edu)
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