Hinged stick and ball : Différence entre versions
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| (Une révision intermédiaire par le même utilisateur non affichée) | |||
| Ligne 11 : | Ligne 11 : | ||
*stick | *stick | ||
*ball | *ball | ||
| + | *bubble level (optional) | ||
==Instructions== | ==Instructions== | ||
| Ligne 24 : | Ligne 25 : | ||
File:1Q20_50_5.JPG|Figure3 | 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
