Birdwatch Archive

Birdwatch Note Rating

2024-02-04 18:05:27 UTC - HELPFUL

Rated by Participant: 14CF43F536125F1E09A264AB9F3C38A55255D2554D0CD95F87FDF88FD45BBFA3
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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