Info

In an evacuated tube, a coin and a feather are released simultaneously by turning the tube vertical by hand. This can be repeated in air and in vacuum.

Parts List

Vacuum Pump by back wall

Coin and Feather Tube in B. Fluids and Mech, 2A

Relevant Simulation

Demo Example (Starts in Vacuum, Ends in Air):

Demo Example (In Air):

Free Fall Tower

Other Information

Drop Ball and Paper
Penny and Feather
PIRA Site

Real-Life Examples

Hammer and Feather on the Moon
Bowling Ball and Feather Dropped in World's Biggest Vacuum

More Advanced Reading

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