Is perpetual motion impossible?



  1. 0 Votes

    Yes.  It violates the second law of thermodynamics, which states that in a closed system that is not in equilibrium, entropy will increase, i.e., the system will try to reach equilibrium naturally.  Now the thing to catch here is that the idea of a “closed system” is impossible, since systems will always be interfered with by heat, light, outside vibrations, slight magnetism, etc.  The only true closed system (although this is probably debatable) is the Universe.  The Universe is not in equilibrium, so its entropy is greater than zero.  This means that perpetual motion in our Universe is impossible.

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