TOPIC:

F4-02: VISCOSITY OF AIR 10 years 3 months ago #543

zzfixk23
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ID Code: F4-02
Purpose: Demonstrate that air is viscous.
Description: A large thin disc is suspended above a copper plate mounted on a rotator. As the plate is rotated, the thin disc begins to rotate slowly in the same direction, because of drag caused by the viscosity of the air.
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