Fc-4 Funnel and ball
Published: Monday 13 March 2006 - Updated: Tuesday 29 March 2011
Aim
To Demonstrate airflow.
Apparatus
- Ping pong ball
- Vacuum cleaner blower
- Variac
- Glass funnel
- Hose adaptor
Diagrams
Click on pictures to enlarge.
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Funnel and Ball |
Funnel n Ball Diagram |
Videos
Funnel and Ball |
Description
This is a variation of the parallel plate paradox. The most satisfactory method is to push the ball into the narrower region of the funnel where it is held in a position of stable equilibrium.