| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 3A10.00 | Pendula | | |
| 3A10.10 | simple pendulum | PIRA 200 | Suspend a simple pendulum from a ringstand. |
| 3A10.10 | simple pendulum | 3A10.10 | Suspend a simple pendulum from a ringstand. |
| 3A10.13 | simple pendulum bobs | TPT 15(5),300 | An apparatus for open-ended investigation of the simple pendulum. Bobs have adjustable length and are of different shape. |
| 3A10.14 | 4:1 pendulum | PIRA 1000 | |
| 3A10.14 | 4:1 pendula | Disc 08-15 | 4:1 pendula have 2:1 period. |
| 3A10.15 | bowling ball pendulum | PIRA 500 | |
| 3A10.15 | bowling ball pendulum | 3A10.15 | Suspend a bowling ball from the ceiling. |
| 3A10.17 | different mass pendula | PIRA 1000 | |
| 3A10.17 | lead and cork pendula | M-81 | Long pendula made of lead and cork are released simultaneously. |
| 3A10.17 | different mass pendula | Disc 08-14 | Pendula of the same length and different mass oscillate together. |
| 3A10.20 | upside-down pendulum | PIRA 500 | |
| 3A10.20 | upside-down pendulum | 3A10.20 | A vertical leaf spring supported at the base has a movable mass. |
| 3A10.20 | inverted pendulum | Mx-6 | A piece of clockspring mounted vertically on a heavy base has an adjustable mass to change the period. |
| 3A10.21 | metronome as a pendulum | So-1 | The metronome as an adjustable pendulum. |
| 3A10.30 | torsion pendulum | PIRA 500 | |
| 3A10.30 | torsion pendulum | 3A10.30 | A metal spoked wheel is suspended as a torsional pendulum by a wire attached to the axle. |
| 3A10.30 | torsion pendulum | Mz-1 | A wheel is suspended as a physical pendulum by a flexible axle. |
| 3A10.30 | torsion pendulum | Disc 08-13 | Add weight to a torsion pendulum to decrease the period. |
| 3A10.31 | torsion pendulum | 11-2.3h | A large clock spring oscillates an air bearing supported disc. Vary mass, damping, etc. |
| 3A10.31 | torsion pendulum | M-14g | A large clock spring oscillates a vertical rod with an adjustable crossbar. |
| 3A10.32 | torsion pendulum | 15-7.1 | Calculate angular velocity and acceleration with a large slow torsion pendulum that has movable timer contacts. |
| 3A10.34 | crossed dumbell pendulum | 15-5.1 | Crossed dumbbells with adjustable masses are mounted on an axle as spokes of a wheel. Show the dependence of the period on rotational inertia and on the distance between the center of gravity and axis of the pendulum. |
| 3A10.35 | torsion pendulum | 15-7.2 | Strobe photography of a torsion pendulum. |
| 3A10.40 | variable g pendulum | PIRA 1000 | |
| 3A10.40 | variable g pendulum | M-14f.2 | A pendulum with a bifilar support of solid rods can be inclined to decrease apparent g. |
| 3A10.40 | variable angle pendulum | Disc 08-19 | A physical pendulum is mounted on a bearing so the angle of the plane of oscillation can be changed. |
| 3A10.42 | variable g pendulum | AJP 52(1),85 | Use an electromagnet under the pendulum bob to increase the apparent g. |
| 3A10.42 | variable g pendulum | M-129 | A hidden electromagnet causes a variation in period of a iron pendulum bob. |
| 3A10.44 | variable g pendulum | TPT 13(6),365 | An evaluation of the model M110 Variable g Pendulum manufactured by Physics Apparatus Research Inc. Good pictures of the device for those interested in building their own. |
| 3A10.50 | cycloidal pendulum | 15-4.1 | Demonstrate that a cycloidal pendulum with any amplitude has a period identical to a equal length simple pendulum at small amplitude. Construction details p. 603. |
| 3A10.50 | cycloidal pendulum | M-94 | A pendulum made to swing at large amplitude in the cusp of an inverted cycloid is compared to a simple pendulum. |
| 3A10.55 | nonisochronism of pendulum | 15-1.14 | Two identical pendula, started with large and small amplitudes, have different periods. |
| 3A10.61 | sliding pendulum | AJP 28(1),76 | A block of dry ice is placed on a large parabolic mirror or bent sheet metal trough for other (i.e., cycloidal) curves. |