| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 3A75.00 | Normal Modes | | |
| 3A75.10 | coupled harmonic oscillators | PIRA 500 | |
| 3A75.10 | coupled harmonic oscillators | 3A75.10 | Many identical air track gliders are coupled with springs and driven with a variable frequency motor. |
| 3A75.10 | coupled harmonic oscillators | AJP 31(12),915 | Article on identical spring coupled air gliders includes theory. |
| 3A75.10 | coupled harmonic oscillators | Mx-14 | Several identical air track gliders are coupled with identical springs. |
| 3A75.10 | coupled harmonic oscillators | 11-1.17 | A driven chain of air gliders and springs. Big write up. |
| 3A75.11 | coupled harmonic oscillators | 11-1.16 | Five blocks coupled with coil springs ride in an air trough. |
| 3A75.12 | coupled harmonic oscillators | AJP 35(11),1065 | A six meter chain of air supported pucks connected by a slinky. |
| 3A75.12 | coupled harmonic oscillators | 10-2.18 | Six meters of dry ice pucks on a driven slinky. |
| 3A75.30 | masses on a string | PIRA 1000 | |
| 3A75.30 | masses on a string | S-19 | Clamp 1,2,3, or 4 equal masses to a variably driven wire to show normal modes. |
| 3A75.31 | weighted string | 18-7.2 | Small lead weights on a string driven by a large motor show the lower normal modes of a many body system. |
| 3A75.40 | bifilar pendulum modes | PIRA 1000 | |
| 3A75.40 | bifilar pendulum | 15-8.2 | All three modes of oscillation are discussed for horizontal rods supported with bifilar suspensions. |
| 3A75.40 | bifilar pendulum | 15-8.1 | Discusses two of three modes - transverse in the plane of the cords and twisting. |
| 3A75.45 | selsyn motor pendula | 15-10.15 | Pendula are hung from the shafts of two selsyn motors. The second mode can be demonstrated. |
| 3A75.50 | double pendulum | 15-10.6 | Normal modes of a two pendula spring coupled driven system. |
| 3A75.80 | exposing normal modes | AJP 45(9),882 | When two modes are simultaneously exited, strobing the system at the frequency of one normal mode will allow the other to be observed independently. A double hacksaw system is used as an example. |