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I hang an American flag sideways, with the staff being horizontal, and blow on it. It will swing, but will it ever stop? It being a pendulum, I mean, when does the pendulum ever stop moving if it does? Complete vacuum.
FredGarvin
May5-06, 10:46 PM
The fibers/threads in the flag will eventually produce enough friction to dampen out the movements.
disregardthat
May11-06, 04:28 PM
If there were no friction at all, would the pendulum swing forever?
russ_watters
May11-06, 04:57 PM
Yes.
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