Ball and feather in air/vacuum : Différence entre versions

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Back to [[1C_-_Motion_in_one_dimension|1C - Motion in one dimension]]<br>
 
PIRA index: 1C20.10
 
PIRA index: 1C20.10
  
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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