40 – Vibrations and Waves

Simple Harmonic Motion

40.03  Circular versus mass-spring motion Video available.

40.06  Cart between springs

40.09  Mass-spring with scale

40.12  Mass-springs with different spring constants and masses Video available.

40.15  Mass-springs in series and parallel (also listed as 32.33, under Elasticity)

40.18  Circular versus pendular motion Video available.

40.21  Pendulums of different lengths and masses

40.24  Torsion pendulum Video available.

40.27  Coupled pendulums

40.30  Wilberforce pendulum


Damped Harmonic Motion

40.33  Mass-springs damped in oil, water Video available.

40.36  Mass-spring damped by air

40.37  Pendulum damped by air

40.39  Damping of eddy current pendulum


Forced Harmonic Motion and Resonance

40.42  Driven pendulums Video available.

40.45  Driven mass-spring Video available.

40.48  Resonance frame Video available.

40.49  “Tacoma Narrows” video

See also the following demonstrations:

44.33  Speaker over pipes

44.36  Speaker over water-filled tube

44.42  Beaker breaker Video available.


Chaos
 
40.51  Chaotic pendulum between coils


Traveling Waves

40.54  Waves on cord, tubing, spring

40.55  Bullwhip (also listed as 44.04 under Sound)

40.57  Suspended Slinky®

40.58  Slinky® suspended from ceiling

40.60  Transverse wave machine with free or fixed end

40.63  Transverse wave machine, all sections Video available.

40.66  Longitudinal wave machine with free or fixed end Video available.

40.69  Ripple tank videos


Standing Waves

40.72  Standing waves on tubing

40.75  Standing waves on cord

40.78  Standing waves on a wire circle

See also the following demonstrations:

40.60  Transverse wave machine with free or fixed end

40.63  Transverse wave machine, all sections Video available.

40.66  Longitudinal wave machine with free or fixed end Video available.

44.33  Speaker over pipes

44.36  Speaker over water-filled tube

44.39  Rubens flame tube Video available.

Video available.A video of this demonstration is available (a link is on its page).