this post was submitted on 16 Mar 2025
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Science Memes

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[–] LeFrog@discuss.tchncs.de 19 points 11 hours ago (2 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).

[–] qevlarr@lemmy.world 34 points 11 hours ago (2 children)

How fucking smart do you think 5 year olds are?

[–] LeFrog@discuss.tchncs.de 14 points 11 hours ago

Well, you have a point here.

[–] tetris11@lemmy.ml 4 points 10 hours ago

"So the squirrel went "neep! neep! neep!" all the way home."

[–] HellieSkellie@lemmy.dbzer0.com 11 points 11 hours ago (1 children)

When you hold two strong magnets an inch apart, then let them go it looks like they move themselves (add velocity)?

What makes the magnets start moving towards each other from a complete stop?

[–] davidagain@lemmy.world 2 points 9 hours ago

It's the magnets, doing work!