The study of energy transfers and transformations. The science of temperature measurement. A fuel gas used in industrial synthesis of organic chemicals, and in welding, glassmaking, and other high-temperature industrial applications. Water gas made by passing steam over a bed of hot coal or coke. Compare with heat .
Work is the energy required to move an object against an opposing force.
Work is usually expressed as a force times a displacement. Pushing against a stone wall involves no work, unless the stone wall actually moves. Sign up for a free monthly newsletter describing updates, new features, and changes on this site.