Birdwatch Note Rating
2024-02-04 16:10:38 UTC - HELPFUL
Rated by Participant: FBC6567371F97A4938C6F6DD1C3F150E2123584D8470114ECEE57B18F07483F3
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
All Note Details