C5-14: ROCKET TRIKE

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PURPOSE: To demonstrate the third law of motion dramatically.

DESCRIPTION: Pressing the fire extinguisher handle expels carbon dioxide out a nozzle straight behind the tricycle, causing forward thrust of the tricycle. Click your mouse on the photograph above to view an mpeg video of the action.

This is a MUST - an unforgettable demonstration.

SUGGESTIONS: Be CAREFUL! It goes FAST!

REFERENCES: Available. (PIRA unknown.)

EQUIPMENT: Rocket tricycle, as photographed. Each tank is good for 1-2 uses.

SETUP TIME: 20 min.


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