| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 1Q10.00 | Moment of Inertia | | |
| 1Q10.10 | inertia wands and two students | PIRA 200 | Students twirl equal mass wands, one with the mass at the ends and the other with the mass at the middle. |
| 1Q10.10 | inertia wands and two students | 1Q10.10 | Give students equal mass wands to twirl, one with the mass at the ends and the other with the mass at the middle. |
| 1Q10.10 | inertia wands and two students | 12-3.3 | Two apparently identical tubes, one with a mass concentration in the center, the other with a mass concentration at the ends. |
| 1Q10.11 | inertia wands | TPT 15(9),546 | Weights taped to meter sticks are used as low cost and visually obvious alternates to commercial apparatus. |
| 1Q10.12 | inertia rotator and two students | AJP 43(6),563 | Students rotate a "T" from a disc mounted on the bottom while holding the device by a sleeve. Weights are mounted at different distances on the cross bar. |
| 1Q10.20 | torsion pendulum inertia | PIRA 1000 | |
| 1Q10.20 | torsion pendulum inertia | TPT 21(7),456 | The period of a torsion pendulum is used to determine moment of inertia. Tinker toys allow one to easily construct objects with the same mass but different moments of inertia. Many variations are presented. |
| 1Q10.20 | torsion pendulum inertia | 12-3.10 | Objects are placed on a trifilar supported torsional pendulum. |
| 1Q10.20 | torsion pendulum inertia | 12-3.9 | Objects are added symmetrically about the torsional pendulum axis. |
| 1Q10.20 | torsion pendulum inertia | M-167 | Use the torsion pendulum to determine the moment of inertia. |
| 1Q10.25 | air bearing inertia | 11-2.3c | Determine the ellipsoids of inertia of a rectangular steel bar with the air bearing supported rotating disc. |
| 1Q10.25 | air bearing inertia | 11-2.3g | A steel triangle is dropped on an air bearing supported rotating disc. |
| 1Q10.25 | air bearing inertia | 11-2.3b | Various objects are placed on an air bearing supported rotating disc. |
| 1Q10.30 | ring, disc, and sphere | PIRA 200 | A ring, disc, and sphere of the same diameter are rolled down an incline. |
| 1Q10.30 | ring, disc, and sphere | 1Q10.30 | A ring, disc, and sphere of the same diameter are rolled down an incline. |
| 1Q10.30 | ring, disc, and sphere | Ms-3 | Rings, discs, and spheres are rolled down an incline. |
| 1Q10.31 | rolling bodies on incline | PIRA 1000 | |
| 1Q10.31 | rolling bodies on incline | Disc 06-04 | Rings, discs, spheres, and weighted discs are rolled down an incline. |
| 1Q10.32 | ring, disc | M-19c | Disc and ring on the incline plane. |
| 1Q10.35 | all discs roll the same | PIRA 500 | |
| 1Q10.35 | all discs roll the same | 1Q10.35 | A set of discs of different diameters are rolled down an incline. Also use hoops and spheres. |
| 1Q10.37 | coffee can lab | TPT 18(8),600 | Rolling an empty coffee can down an incline. A student lab with many tasks. |
| 1Q10.40 | racing discs | PIRA 500 | |
| 1Q10.40 | racing discs | 1Q10.40 | Two discs of identical mass, one weighted in the center and the other weighted at the rim, are rolled down an incline. |
| 1Q10.40 | racing discs | Ms-1 | Two wooden discs of the same mass and diameter are loaded with lead to give different moments of inertia. Roll on an incline. |
| 1Q10.40 | racing discs | M-161 | Two equal mass discs are made to race down an incline, one with a lead core and the other with a lead rim. Both are made to roll up a second incline to show they had the same kinetic energy at the bottom. |
| 1Q10.41 | moment of inertia spools | Ms-4 | Aluminum wheels are joined by two brass cylinders that can be placed at different radii to change the moment of inertia. |
| 1Q10.50 | racing soups | PIRA 500 | |
| 1Q10.50 | racing soups | TPT 16(8),553 | Racing two soups first down an incline and then down and across the floor. Betting is used to make the demonstration more exciting. |
| 1Q10.51 | winning ball | M-162 | Use mercury filled rollers for sure winners. |
| 1Q10.55 | weary roller | PIRA 1000 | |
| 1Q10.55 | weary roller | M-163 | Load a roller with fine dry sand or powdered tungsten. |
| 1Q10.56 | viscosity | M-60 | A raw egg in a torsion pendulum damps more quickly than a boiled egg due to internal friction. Also spinning eggs - angular momentum. |
| 1Q10.65 | moment of inertia of a ball | AJP 34(2),xv | An air spinner for a 2" bronze ball and a method of mapping out the three axes of moment of inertia. |
| 1Q10.66 | errant pool balls | TPT 20(1),50 | Directions for making several different types of weird acting pool balls. |
| 1Q10.70 | rigid and non-rigid rollers | PIRA 1000 | |
| 1Q10.70 | rigid and non-rigid rotations | Mz-3 | Lead rings, the masses of a torsion pendulum, can be either locked or freed to show terms in Steiner's equation. |
| 1Q10.70 | rigid and non-rigid rotators | 12-3.6 | Two lead rings are mounted as a torsion pendulum with rotational axes parallel to the pendulum. The period is measured with the rings freed and locked. |
| 1Q10.70 | rigid and non-rigid rotations | 12-3.5 | Two masses on a horizontal bar fixed to a vertical shaft are spun by a falling weight. The masses can be locked or freed to rotate in the same plane as the vertical shaft. |
| 1Q10.71 | Steiner's theorem | 12-3.7 | An adjustable double dumbbell on a rotating bar arrangement. |
| 1Q10.75 | parallel axis wheels | 12-3.11 | The period of a bicycle wheel suspended as a pendulum is measured with the wheel spinning and locked. |