Birdwatch Archive

Birdwatch Note Rating

2024-02-05 13:00:53 UTC - HELPFUL

Rated by Participant: B796C481AC8E2AAD38723F9F892004F95FCBB3127D76CF9232D5BE5E5274ADBA
Participant Details

Original Note:

Cars can never be powered this way. It is a matter of symmetry, as two static magnets will have an equal pull in both directions. This video is done with a toy car that is powered by being retracted. https://physics.stackexchange.com/questions/17177/why-doesnt-this-perpetual-motion-machine-using-magnets-work#17179

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