Ball and feather in air/vacuum

De PhyLab
Sauter à la navigation Sauter à la recherche

PIRA index: 1C20.10

Description

A feather falls more slowly than a ball down a tube due to air resistance. When the tube is evacuated, both the feather and ball fall with equal speed.

Equipment

  • ...
  • ...

Keywords

ball, drop, feather, vacuum

Images