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Magnet rule (lemmy.world)

submitted 11 months ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 11 months ago (1 children)

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.

[–] [email protected] 1 points 11 months ago

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