Birdwatch Note Rating
2024-02-05 10:54:14 UTC - HELPFUL
Rated by Participant: 9B61D372EC811459E2EF16E8E2BF6EE81D13EB1E992E215651236F35A41C2B1B
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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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