Birdwatch Note Rating
2024-02-04 22:11:20 UTC - HELPFUL
Rated by Participant: E8B2E7FC57A8FDA5DCB66443297CC3B9BD0119C4D715B0DBF82B3DAAB3A360C4
Participant Details
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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