A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 378
y the addition of heat, the energy of the moleculesbeing thus made greater. Heat imparted to a liquid may increasethe motion of the molecules and at the same time may causecurrents of molecules to travel from one part of the liquid to anotherpart. In gases the molecules are in rapid motion ;… … Fig. 361.—Apparatus used by Joule in his experiments on the mechanical equivalent of heat. the molecules, thereby increasing both their kinetic energy and thepressure on the walls. Mechanical equivalent of heat.—Heat energy is capable of beingconverted into other forms of energy and vice versa.…
Physics
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