Hinged stick and ball : Différence entre versions
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| (3 révisions intermédiaires par le même utilisateur non affichées) | |||
| Ligne 11 : | Ligne 11 : | ||
*stick | *stick | ||
*ball | *ball | ||
| + | *bubble level (optional) | ||
==Instructions== | ==Instructions== | ||
| Ligne 21 : | Ligne 22 : | ||
<gallery> | <gallery> | ||
File:1Q20.50_1.JPG|Figure1 | File:1Q20.50_1.JPG|Figure1 | ||
| + | File:1Q20 50 3-1.JPG|Figure2 | ||
| + | File:1Q20_50_5.JPG|Figure3 | ||
</gallery> | </gallery> | ||
| + | {{#widget:YouTube|width=600|height=337|id=QRFLOZZXtow}} | ||
Version actuelle datée du 3 mai 2018 à 21:07
Back to 1Q - Rotational Dynamics
PIRA index: 1Q20.50
Description
A ball on the end of a hinged stick falls into a cup mounted on the stick. Also known as "faster than gravity" or "falling chimney".
Equipment
- wooden pieces attached with the hinge
- stick
- ball
- bubble level (optional)
Instructions
Use the stick to separate the two pieces of wood at an angle and place the ball on top of the tee. Swiftly remove the stick by grabbing or hitting it and the ball should fall directly into the cup as the two pieces of wood collide.
Keywords
hinged stick, ball, cup, faster than gravity, falling chimney
Images & Movies
Figure1
Figure2
Figure3
