The Dynamics of Heat
Consider a book sent sliding across a tabletop. If the surface is rough, it will exert a fairly large frictional force on the book, and the book will soon come to a stop as its kinetic energy rapidly disappears. No corresponding increase in potential energy will occur, since there is no change in height. It appears that, in this example, mechanical energy is not conserved.
KeywordsHeat Input Mechanical Energy Heat Energy Industrial Revolution Heat Engine
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