TOPIC:

D1-55: ROTATING ELASTIC RINGS 10 years 4 months ago #320

zzfixk23
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ID Code: D1-55
Purpose: Demonstrate "centrifugal reaction" and to indicate why the earth is oblate.
Description: Turning the crank causes the elastic rings to rotate about the vertical axis. The "centrifugal reaction" then causes the rings to assume an oblate spheroidal shape like that of the Earth.
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