Subject: can a pendulum swing perpetually in vacuum?
Date: Sat Aug 19 09:59:47 2000
Posted by wongyuanrui
Grade level: 10-12
School: raffles institution
City: No city entered. State/Province: No state entered.
Area of science: Physics
i know the reason why pendulums stop swinging after some time in air is
because of air resistance.
what if we set a pendulum swinging in vacuum?
will it swing forever?
if so, wouldn't we have created perpetual motion?
is perpetual motion possible?
thanks for answering my question.
Re: can a pendulum swing perpetually in vacuum?
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