Birdwatch Note Rating
2024-02-05 00:32:17 UTC - HELPFUL
Rated by Participant: 68D64ACD5B0A449B6AA092F1116DB4573E39F1748FC88C7B17AFA340921E1616
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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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