Ball and feather in air/vacuum : Différence entre versions
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− | =Description= | + | __NOTOC__ |
− | A feather falls more slowly than a ball down a tube due to air resistance. When the | + | |
+ | Back to [[1C_-_Motion_in_one_dimension|1C - Motion in one dimension]]<br> | ||
+ | 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== | ||
+ | <gallery> | ||
+ | File:1C20.10_1.JPG|Figure1 | ||
+ | </gallery> | ||
+ | {{#widget:YouTube|id=0rAob6A8ms0}} |
Version actuelle datée du 11 octobre 2017 à 18:05
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