Difference between revisions of "Ball and feather in air/vacuum"
Jump to navigation
Jump to search
| Line 20: | Line 20: | ||
==Images & Movies== | ==Images & Movies== | ||
<gallery> | <gallery> | ||
| − | File:IMG 0590.JPG| | + | File:IMG 0590.JPG|Figure1 |
| − | File:IMG 0590.JPG| | + | File:IMG 0590.JPG|Figure2 |
| − | File:IMG 0590.JPG| | + | File:IMG 0590.JPG|Figure3 |
</gallery> | </gallery> | ||
Revision as of 12:55, 23 June 2014
PIRA index: 1C20.10
Description
A feather falls more slowly than a ball down a tube due to air resistance. When the tubes are evacuated, both the feather and ball fall with equal speed.
Equipment
- Double tube assembly
- Vacuum pump
- Clear flexible tubing
- Power cable
- Extension cord
Instructions
With both cylinders in air, rotate the tubes by 180 degrees...
Keywords
ball, drop, feather, vacuum
Images & Movies
Figure1
Figure2
Figure3
