• @captainlezbian
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    21 year ago

    Because the mass is shared. You could get it to move the truck by moving a giant magnet forward but so long as it’s attached to the truck you’re only ever getting out the movement you put in to the magnet.

    • Jilanico
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      English
      11 year ago

      Agreed. It could work but it’s not a perpetual motion machine and would require energy input to make it work.