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ID Code: I3-18
Purpose: Illustrate one effect of atmospheric pressure and force.
Description: A tennis ball is positioned near one end of an evacuated tube. When the plate sealing that end of the tube is rapidly knocked off, air at atmospheric pressure enters the tube. The ball is propelled by the force arising from the atmospheric pressure of air to create a bazooka effect along with a loud noise.
Availability: This demonstration is temporarily unavailable.