Title: Units of energy
Content: Units of energy Because energy is defined via work, the SI unit for energy is the same as the unit of work – the joule (J), named in honor of James Prescott Joule and his experiments on the mechanical equivalent of heat. In slightly more fundamental terms, 1 joule is equal to 1 newton metre and, in terms of SI base units An energy unit that is used in atomic physics, particle physics and high energy physics is the electronvolt (eV). One eV is equivalent to 1.60217653×10 J. In spectroscopy the unit cm = 0.000123986 eV is used to represent

Title: History of the metric system
Content: second as the base unit. In a paper published in 1843, James Prescott Joule first demonstrated a means of measuring the energy transferred between different systems when work is done thereby relating Nicolas Clément's calorie, defined in 1824 as "the amount of heat required to raise the temperature of 1 kg of water from 0 to 1 °C at 1 atmosphere of pressure" to mechanical work. Energy became the unifying concept of nineteenth century science, initially by bringing thermodynamics and mechanics together and later adding electrical technology. In 1861 a committee of the BAAS including William Thomson (later Lord Kelvin),

Title: Energy
Content: customary unit is the foot pound. Other energy units such as the electronvolt, food calorie or thermodynamic kcal (based on the temperature change of water in a heating process), and BTU are used in specific areas of science and commerce. In classical mechanics, energy is a conceptually and mathematically useful property, as it is a conserved quantity. Several formulations of mechanics have been developed using energy as a core concept. Work, a function of energy, is force times distance. This says that the work (formula_2) is equal to the line integral of the force F along a path "C"; for

Title: Units of energy
Content: energy since energy is inversely proportional to wavelength from the equation formula_2. In discussions of energy production and consumption, the units barrel of oil equivalent and ton of oil equivalent are often used. When discussing amounts of energy released in explosions or bolide impact events, the TNT equivalent unit is often used. The British Imperial units and U.S. Customary units for both energy and work include the foot-pound force (1.3558 J), the British thermal unit (BTU) which has various values in the region of 1055 J, the horsepower-hour (2.6845 MJ), and the gasoline gallon equivalent (about 120 MJ). The energy

Title: History of the metric system
Content: energy played in the establishment of a coherent, rational system of units with the joule as the unit of energy and the electrical units in the International system of units remaining unchanged. It took more than thirty years before Giorgi's work was accepted in practice by the IEC. As the industrial era dawned in Britain as well as continental Europe and overseas, the cgs system of units as adopted by the British Association for the Advancement of Science in 1873 with its plethora of electrical units continued to be the dominant system of measurement, and would remain so for at

Question: Which is the modern scientific unit of work and energy?
Answer: Joule