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## Main Question or Discussion Point

I've been doing a lot of research on how the sum of a systems change and the environments change from point a to be always increases in entropy for irreversible processes. My question really has to do with heat and work during maximum entropy.

Once a system reaches maximum entropy where the temperature is completely uniform. I understand that no heat can be extracted from the system, but why does that necessarily mean there will be no more work? I know that there are other ways that can perform work like gravity, atomic forces, electric potential, and so forth. Heat transfer isn't the only way to extract work right? Why do all these sources I read from say that after a system reaches maximum thermodynamic entropy, no more work is performed?

Once a system reaches maximum entropy where the temperature is completely uniform. I understand that no heat can be extracted from the system, but why does that necessarily mean there will be no more work? I know that there are other ways that can perform work like gravity, atomic forces, electric potential, and so forth. Heat transfer isn't the only way to extract work right? Why do all these sources I read from say that after a system reaches maximum thermodynamic entropy, no more work is performed?