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> (the minimum value of entropy) seems to come from an extremely hand-wavy argument So does the "maximum force" argument, which is given in this paper: https:
by pdonis 3y ago
> (the minimum value of entropy) seems to come from an extremely hand-wavy argument
So does the "maximum force" argument, which is given in this paper:
https://arxiv.org/abs/physics/0309118 https://arxiv.org/abs/physics/0309118
It is, to say the least, not generally accepted as a valid argument.
- amluto 3y agoWow, there’s not a whole lot argument at all in there. Maximum power seems especially odd — power is extensive. If you have two maximum power systems, don’t you end up with double the power?
- pdonis 3y ago> power is extensive So is force. Two maximum force systems should also end up with double the force.
- amluto 3y agoTrue, but “force” as used in that paper is so vague I gave up. Force is applied somewhere, and it makes very little sense to add up forces in different places. Although if you ignore GR and add up forces everywhere, you get F=0 (Newton’s third law), which is well below the supposed maximum. And trying to decide whether the net internal force of a system (0) is an extensive property is a bit silly :) Admittedly, power has much the the same problem. Saying that P <= P_max is some sort of physical law requires a lot more explanation of what it would mean than the paper even tries to give it.