A cyclic cycle occurring in a system immersed in surrounding, all inside an isolated box. Each cycle, net heat flow into the system from isolated surroundings in the box and the box has an inlet which just enough heat flows to balance that consumed by the cycle. why can't this process run forever?
attempt:
I know that Q=-W in this case. But I don't know how to explain.
attempt:
I know that Q=-W in this case. But I don't know how to explain.
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