Birdwatch Note Rating
2024-02-04 16:53:13 UTC - HELPFUL
Rated by Participant: 7003D35A199FDCC0B1E6C12AA7DADA0BA8716EF0A1FF5CD19F9862470C3BF77E
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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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