Birdwatch Note Rating
2024-02-04 18:19:39 UTC - NOT_HELPFUL
Rated by Participant: 859B8699A2AC7C4E6DD87103E31BE792BAC169C43D4DE7C1D643734FF08A26DF
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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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