PURPOSE: To demonstrate the forces created by atmospheric air pressure.
DESCRIPTION: Place a soda can firmly on the top gasket around the pump opening, and pump air out of the can using the hand pump. In less than a minute enough air is pumped out of the can so that the can collapses.
REFERENCES: (PIRA 2B30.15)
EQUIPMENT: Vacuum hand pump with soda cans.
SETUP TIME: None.
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