Second Law Thermodynamics, Heat Engines, Efficiency, Carnot Heat Engine

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This video discusses the Second Law of Thermodynamics, Heat Engines, Efficiency, and the Carnot Ideal Heat Engine. The Second Law of Thermodynamics is stated in various ways. The equations for calculating efficiency for an ordinary heat engine and a Carnot heat engine are explained. This material relates to Chapter 15 of OpenStax College Physics. PHY151 College Physics I
Prof. Greg Clements
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Nice explanation on second law. Could you please explain what is the mechanical force inside the engine at different strokes. how much mechanical energy needed at pision to produce 50Nm from a 300CC gasoline engine for example.

mrggpremkumar