Birdwatch Note Rating
2024-02-04 16:48:43 UTC - HELPFUL
Rated by Participant: B88D10EDCFFCB950B3E1D4D39A14ED1E61FDF720F58E5811C60B8EFC26AE0439
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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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