Birdwatch Note Rating
2024-02-04 20:30:36 UTC - NOT_HELPFUL
Rated by Participant: D36E1EE1C505116CA23E2C2C1659D9568C42F9A7A81D37AE3EF58E7642C2F988
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