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    akmalali's Avatar
    akmalali Posts: 1, Reputation: 1
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    #1

    Sep 19, 2012, 11:44 AM
    Dynamo in space
    I have heard that if you throw a knife in space, it will go-on forever unless it succumbs to gravity somewhere.

    What if I got a dynamo spinning in space. Would it turn forever? Could the dynamo produce endless energy? (By dynamo I mean magnet spinning inside a coil of wire.)


    Thanks
    smoothy's Avatar
    smoothy Posts: 25,492, Reputation: 2853
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    #2

    Sep 19, 2012, 11:47 AM
    No... but this sounds like homework... so you have to tell me why first... think about it and answer back.
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