G2 Resonance and Coupled Oscillations

In this section are demonstrations of coupling and resonance in mechanical oscillations.

Articles
Image	Title
	G2-01 MASS ON SPRING - HAND HELD Demonstrates resonance and phase shift at resonance
	G2-02: FORCED HARMONIC MOTION WITH DAMPING - LARGE Demonstrate and graph driven and damped harmonic motion.
	G2-03: RESONANCE IN TORSIONAL PENDULUM - PROJECTION Demonstrate quantitatively all aspects of the driven and damped oscillator.
	G2-04: DAMPED OSCILLATIONS Demonstrate damped harmonic oscillations.
	G2-05: AIR TRACK - DRIVEN AND DAMPED OSCILLATIONS Illustrate the behavior of a driven and damped oscillator.
	G2-06: FRAHM'S FREQUENCY METER Check the 60 Hz line voltage frequency.
	G2-07: PSYCHOACOUSTIC VIBRATION TRANSDUCER Challenge your students to recognize pseudoscience while illustrating resonance
	G2-08: DRIVEN NONLINEAR OSCILLATOR Demonstrate amplitude "jumps" and resonance hysteresis in Duffing's equation.
	G2-09: FORCED HARMONIC MOTION WITH SONAR Plot a graph of forced damped harmonic motion near the resonant frequency.
	G2-11: RESONANT SAW BLADES - HAND DRIVEN Show that a mechanical oscillator responds with a maximum amplitude to its own resonant frequency.
	G2-12: BARTON'S PENDULUMS Demonstrate driven resonance.
	G2-21 COUPLED PENDULA Demonstrates coupling of motion between two pendula of the same length
	G2-22: BAR-COUPLED PENDULA Demonstrate a coupling resonance and to show normal modes.
	G2-23: SPRING-COUPLED PHYSICAL PENDULA Demonstrate resonance and normal modes.
	G2-24: COUPLED PENDULA - 100 TO 1 MASS RATIO Illustrate mechanical resonance.
	G2-25: COUPLED PENDULA - 1000:100:10:1 MASS RATIO. Illustrate a complex resonance system.
	G2-26: COUPLED AIR TRACK GLIDERS Demonstrate coupled oscillations and normal modes in a system of two identical coupled air track gliders.
	G2-27: COUPLED SERIES MASSES HANGING ON SPRINGS Illustrate coupled oscillations and normal modes.
	G2-28: COUPLED PENDULA WITH VARIABLE DRIVER Show that the maximum coupling occurs between pendula of the same length.
	G2-41: WILBERFORCE PENDULUM Demonstrate a linear coupling resonance and normal modes.
	G2-42: ELASTIC PENDULUM Demonstrate a non-linear coupling resonance and stable fixed points.