LeFrog

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see the joke is that someone else does the work in c/science_memes@mander.xyz
[โ€“] LeFrog@discuss.tchncs.de 14 points 23 hours ago

Well, you have a point here.

see the joke is that someone else does the work in c/science_memes@mander.xyz
[โ€“] LeFrog@discuss.tchncs.de 22 points 23 hours ago (5 children)

IIRC it depends on the frame of reference. Relative to a magnetic field, the only thing a magnetic force does is changing the velocity direction of affected objects. All work regarding the absolute magnitude of the velocity is zero (no lateral acceleration).