energiakifejezés
Energiakifejezés is a term used in physics and engineering to refer to the mathematical expressions that quantify energy in a system. It encompasses the various forms of energy—such as kinetic, potential, internal (thermal), and electrical energy—and serves as a compact representation of how energy is stored, transformed or transferred. The concept is central to analyses of physical processes, engineering design, and thermodynamic accounting.
Common forms and examples of energiakifejezések include the following. Kinetic energy is expressed as E_k = 1/2
Significance and usage follow from the conservation of energy: energiakifejezés provide the means to calculate work,