What is thermal motion and how is it connected with motion?
Answers
The random motion of the microparticles, such as molecules, atoms, and electrons, that constitute all bodies. Thermal motion is a special kind of motion of matter and is qualitatively different from ordinary mechanical motion, in which all parts of a body move in an orderly manner. Brownian movement is the most convincing experimental proof of thermal motion. The regularities of thermal motion are studied by means of thermodynamics, statistical mechanics, and physical kinetics. The kinetic energy of thermal motion is directly proportional to absolute temperature and is a component of the internal energy of a physical system.
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Thermal motion is the random motion of the micro particles such as atoms, molecules etc. It is different from ordinary mechanical motion because the body moves in all manners. It is a different kind of motion of the matter. The thermal energy is measured by the temperature.
Thermal motion refers to the random motions of molecules, atoms, electrons or other subatomic particles. Unlike the visible world around us, the atomic world is in a constant state of motion at all temperatures above absolute zero.