Difference between revisions of "Ball and feather in air/vacuum"
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| − | Back to [[1C_-_Motion_in_one_dimension]]<br> | + | Back to [[1C_-_Motion_in_one_dimension|1C - Motion in one dimension]]<br> |
PIRA index: 1C20.10 | PIRA index: 1C20.10 | ||
Revision as of 13:03, 23 June 2014
Back to 1C - Motion in one dimension
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
