Excerpt from The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science, Vol. 43: January-June, 1872 The two fundamental laws laid down in the foregoing section, which may be called The Law of the dependence of the Potential on the distance for a constant relative motion, and The Law of the dependence of the Potential on the relative motion for a constant distance, require to be further discussed in relation to their bearing upon the principle of the Conservation of Energy. In accordance with the principle of the conservation of energy, three forms of energy are to be distinguished from each other namely, energy of motion (kinetic energy), potential energy, and energy of heat (thermal energy). About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.