Columbia University Physics Lecture Demonstrations


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Mechanics
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2C20.3 Ball and Funnel; Spool and Card

[Setup Time: 5 Min.] [Current Condition: Good]

Info

A stream of air flowing out of a funnel holds a Ping-Pong ball in the funnel rather than blowing it away. Or, an index card will “stick” to a spool when air is blown through it.

Parts List

Ping Pong Ball in B. Fluids & Mech, 1C

Funnel in L. Misc

Spool in B. Fluids & Mech, 1A

Index Card / Paper, find

Air Hose in K. Oversized Items, 1C

Nozzle in B. Fluids & Mech, 1C

Relevant Simulation

Demo Example:

Other Information

Fluid Dynamics Kit - Ball in Funnel

Real-Life Examples

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More Advanced Reading

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