| 1D40.71-Awkward Rollers |  | The diameter of the circular wheel is equal to the radii of the three arcs that make up the awkwardly-shaped ... |
| 1D50.10-Ball on String |  | A simple ball on a string to show uniform circular motion wherein the centripetal force is provided ... |
| 1D50.20-Centripetal Force Apparatus |  | This demonstration illustrates centripetal force. For equilibrium, the centripetal force must ... |
| 1D50.40-Pail of Water |  | As a bucket or cup of water is spun in a circle, the water does not fall out. This is because the string .. |
| 1D60.10-Howitzer and Bridge |  | This demonstration shows that the horizontal motion of a projectile undergoes no acceleration. Push the ... |
| 1D60.20-Drop and Shoot |  | This demonstration illustrates that a ball shot out horizontally and a ball dropped with zero initial ... |
| 1D60.30-Monkey Hunter |  | If a hunter aims his gun at the monkey, and the monkey lets go the instant the hunter fires, will the ... |