ترجمة "joule" إلى العربية

In the International System of Units, the derived unit of energy, work and heat; the work required to exert a force of one newton for a distance of one metre. Also equal to the energy of one watt of power for a duration of one second. Symbol: J [..]

English physicist who established the mechanical theory of heat and discovered the first law of thermodynamics (1818-1889)