Birdwatch Note Rating
2024-02-05 12:44:20 UTC - HELPFUL
Rated by Participant: 4ECE8BB170269754F58693F3E1A2779055A17AA60C70323C59E667EFD52A8186
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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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