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mfb
#2
Dec20-12, 08:00 AM
Mentor
P: 11,911
Spin does work.
Not without slowing down.

Why isn't the spin of particles considered to be perpetual motion?
The spin of particles is not motion. They are not rotating. Spin is just a quantum number, similar to charge.

Doesn't particle spin violate the laws of Thermodynamics?
No.