Is the 2nd Law of Thermodynamics a Fundamental Law or a Statistical Principle?

AI Thread Summary
The discussion centers on whether the Second Law of Thermodynamics is a fundamental law or a statistical principle. One viewpoint argues that it is a fundamental law that dictates the direction of heat flow and cannot be derived from other principles. In contrast, another perspective suggests that the Second Law is a statistical principle, indicating that more probable events occur more frequently. The distinction highlights the relationship between the Second Law and the First Law of Thermodynamics, emphasizing that conservation of energy does not imply the Second Law. This debate reflects ongoing discussions in thermodynamics regarding the nature of physical laws.
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Homework Statement


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The Attempt at a Solution


I think the correct option is (a) and (d) from the book reading.About the option (c), the second law of thermodynamics tells us the direction of heat flow. I think it is a fundamental law, it could not be derived.
 

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For (a) and (d), can you explain your reasoning?

Concerning (c), indeed conservation of energy, which is the 1st law, doesn't imply the 2nd law. But actually, the 2nd law is not a fundamental law, but it is a statistical principle (more probable events are happen more frequently).
 
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