| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 1N20.00 | Conservation of Linear Momentum | | |
| 1N20.10 | see-saw center of mass | PIRA 500 | |
| 1N20.10 | see-saw center of mass | 1N20.10 | Two carts magnetically repel each other on a teeter-totter. Mass of cars can be varied. |
| 1N20.10 | see-saw center of mass | AJP 33(1),xxv | Magnet carts on a balanced board repel when a constraining string is burned. Also load carts unequally. |
| 1N20.10 | magnetic reaction carts | Md-3 | Two carts with opposing permanent magnets are held together by a string which is burned. |
| 1N20.10 | see-saw center of mass | Mp-16 | Magnet cars on a balanced board repel each other when a constraining string is burned. Carts may be loaded unequally. |
| 1N20.10 | see-saw canter of mass | 9-2.4 | A string holding two carts with opposing horseshoe magnets is burned and they remain balanced on a board as they repel. |
| 1N20.10 | see-saw center of mass | M-15c | Two spring loaded carts repel each other on a balanced board. |
| 1N20.10 | see-saw reaction carts | Disc 02-26 | Two spring loaded carts repel each other on a balanced board. |
| 1N20.12 | rolling ball on air cart | TPT 10(9),531 | A ball rolls down a small inclined plane mounted on an air track. Watch the glider start and stop. |
| 1N20.15 | car on a rolling board | PIRA 1000 | |
| 1N20.15 | car on a rolling board | 1N20.15 | Start and stop a radio controlled car on a board on rollers. |
| 1N20.15 | car on a rolling board | M-123 | A straight train track is mounted on a movable board. Changing the weighting of the train will change the relative velocities of the train and track. Use a circular track for conservation of angular momentum. |
| 1N20.15 | car on rolling board | Disc 02-20 | Use a radio-controlled car on the board on a series of rollers. |
| 1N20.16 | car on the road | 6-4.9 | A drawing board rides on perpendicular sets of steel rods to give 2D freedom of motion. Set a toy wind up car on it. |
| 1N20.17 | train on an air track | AJP 33(10),857 | An HO gauge train and 36" track mounted on a air cart. |
| 1N20.20 | sprring apart air track gliders | PIRA 200 | Burn a string holding a compressed spring between two air gliders. |
| 1N20.20 | spring apart air track glider | 1N20.20 | Two spring loaded carts carts on the air track initially held together by a electromagnet repel and are timed photoelectrically. |
| 1N20.20 | spring apart air track glider | Md-4 | Air track carts equipped with iron cores and a spring are held together by an electromagnet. |
| 1N20.20 | spring apart air track glider | 11-1.10 | Compress spring and burn thread to release, or use a toy pistol cap and hand held tesla coil. |
| 1N20.20 | reaction gliders momentum conservati | Disc 02-19 | Burn a string holding a compressed spring between two unequal mass air gliders. |
| 1N20.21 | old reaction carts | Md-1 | Two spring loaded carts on a track with light bulbs at the ends of the track to indicate simultaneous arrival. |
| 1N20.21 | old reaction cars | 7-1.5.5 | Two spring loaded cars on a track fly apart. If they reach the ends at the same time, lights flash. |
| 1N20.22 | repelling carts | 9-5.16 | Two carts on a track start at rest and are exploded and timed. |
| 1N20.23 | magnetic release | AJP 41(1),136 | The magnetic release for the spring apart air track carts. |
| 1N20.24 | recoiling magnets | TPT 28(2),112 | Hold two small horseshoe magnets together on an overhead projector and observe the recoil. |
| 1N20.25 | elastic band reaction carts | PIRA 1000 | |
| 1N20.25 | elastic band reaction carts | 1N20.25 | Pull apart two carts of unequal mass attached with an elastic band. |
| 1N20.25 | elastic band reaction cars | M-121 | A stretched rubber band pulls two carts together with accelerations inversely proportional to their masses. |
| 1N20.30 | exploding pendula | 9-4.16 | Two large pendula of unequal mass are held together compressing a spring. When the spring is released, two students mark the maxima. |
| 1N20.31 | reaction swings | M-120 | Planks with bifilar supports may be used in place of reaction carts. |
| 1N20.32 | exploding basketballs | AJP 41(7),922 | Explode a firecracker between a light and heavy basketball that are suspended near the ceiling. Details of the basketball holder are given. |
| 1N20.32 | big bertha | 9-4.19 | A dry ice cannon is mounted on model railroad tracks. Average velocity of the recoiling cannon and projectile are timed. |
| 1N20.35 | explosion | AJP 34(8),707 | Explode a firecracker in an iron block 4x4x2" pieced together from three sections. |
| 1N20.35 | explosion - comment about friction | AJP 35(4),359 | The center of mass will move due to friction. |
| 1N20.60 | air track c of m collision | AJP 57(2),182 | An inelastic air track collision with a cart and a spring coupled cart system. |