PURPOSE: To show how force components can be used to sail against the wind.
DESCRIPTION: A sail is attached as shown to an air track glider. Wind from a fan blows the sailboat in the direction from which the wind is coming if the angle of the wind and the sail are correct.
REFERENCES: (PIRA 1J30.60)
EQUIPMENT: Air track, glider with sail, and fan, as photographed.
SETUP TIME: 5 min.
Go back to Lecture-Demonstration Home Page.