Elementary Treatise On Natural Philosophy volume 1
Elementary Treatise On Natural Philosophy volume 1
A Augustin Privat Deschanel
The book Elementary Treatise On Natural Philosophy volume 1 was written by author A Augustin Privat Deschanel Here you can read free online of Elementary Treatise On Natural Philosophy volume 1 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Elementary Treatise On Natural Philosophy volume 1 a good or bad book?
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Heat is a form of molecular energy; and we know, from modern re- searches, what quantity of heat is equivalent to a given amount of mechanical work. In the steam-engine we have the converse process; mechanical work is done by means of heat, and heat is destroyed in the doing of it, so that the amount of heat given out by the engine is less than the amount supplied to it. The sciences of electricity and magnetism reveal the existence of other forms of molecular energy; and it is possible in many... ways to produce one form of energy at the expense of another; but in every case there is an exact equivalence between the quantity of one kind which comes into existence and the quantity of another kind which simultaneously disappears. Hence the problem of constructing a self-driven engine, which we have seen to be impossible in mechanics, is equally impossible when molecular forms of energy are called to the inventor's aid. Energy may be transformed, and may be communicated from one system to another; but it cannot be increased or diminished in total amount.
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