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{{DISPLAYTITLE:''N''-body units}} | Unit of [[length]] (''R'') ...

...nversion of units#Conversion factors|conversion factor]] used to convert [[mass]] to [[force]] or vice versa.<ref>{{cite book |last1=Janna |first1=William ...ement systems]], ''g''_c may or may not equal 1 depending on the units used, and value other than 1 may be required to obtain correct results.<ref ...

...pixel in the 'Full resolution' image (2,876 × 2,068 pixels)) and the orbit of Earth (grey), Jupiter (red) and Neptune (blue). From left to right: The Pis ...al period]] of a small body orbiting a central mass. Based upon the length of the year, the distance from the Earth to the Sun (an [[astronomical unit]] ...

{{Short description|System of measurement used in the United States}} ...of measurement of physical quantities known as the '''English Engineering Units'''.<ref>{{cite journal ...

...ml|publisher=IUPAC|doi=10.1351/goldbook.R05220 |title=The IUPAC Compendium of Chemical Terminology |year=2014 }}</ref> ...{\eta - \eta_s}{\eta_s}</math> (Where <math>\eta_s</math> is the viscosity of the solvent.){{r|goldbook}} ...

{{Short description|Chemical term for density of a component in a mixture}} {{Distinguish|Mass fraction (chemistry)}} ...

...d-pressure-temperature-density-and-flow-units-used-in-mass-flow-meters-and-mass-flow-controllers |access-date=2024-03-24}}</ref> This example is for the s ==Conversion to mass flowrate and molar flowrate== ...

...le physics]], '''rigidity''' <math>R</math> is a measure of the resistance of a particle to deflection by magnetic fields, defined as the particle's mome The concept of rigidity is derived from the motion of a charged particle within a [[magnetic field]]: two particles follow the sa ...

...oportional to the total input (energy / machine operation time) and to the mass processed. ...he separation technology. Separative work is measured in ''Separative work units'' SWU, kg SW, or kg UTA (from the German ''Urantrennarbeit'' – literally '' ...

...tion|Measure of how strongly a chemical species absorbs a given wavelength of light}} ...these alternative terms has been discouraged by the [[International Union of Pure and Applied Chemistry|IUPAC]].<ref>{{GoldBookRef|title=Extinction|file ...

...[Henry Darcy]] and is found from nondimensionalizing the differential form of [[Darcy's law]]. This number should not be confused with the [[Darcy frict ...s the [[Permeability (earth sciences)|permeability]] of the medium ([[SI]] units: {{math|m²}}); ...

The '''magnetic diffusivity''' controls the rate of [[Magnetic diffusion|magnetic field diffusion]]. ...equation|evolution equation for the magnetic field]] is analogous to that of the [[viscosity]] for the velocity field, some authors<ref>{{cite book |las ...

{{Short description|Uneven mass distribution around axis of rotation}} ...ment which gives the rotor a wobbling movement characteristic of vibration of rotating structures. ...

...'intensity of radiation''' <math>I</math> is a measure of the distribution of radiant heat flux per unit area and [[solid angle]], in a particular direct ...eta</math> is the angle between the source area normal vector and the line-of-sight between the source and the target areas. ...

{{short description|Measure of a cooling system's ability to remove heat}} ...f><ref>{{Cite web |title=Units of Measurement |url=https://www.ibiblio.org/units/ |access-date=2022-06-03 |website=www.ibiblio.org}}</ref> ...

{{Short description|Early system of natural units}} ...nits]], i.e., a [[Coherence (units of measurement)|coherent set]] of units of measurement designed so that chosen [[physical constant]]s fully define and ...

|standard= [[History of measurement|old weights and measures]] |unit of= [[length]] ...

{{Short description|Motion of charged particles}} ...orbit of a particle with speed '''v''', which is the classical trajectory of a charged particle (here positive charge) under a uniform magnetic field '' ...

{{short description|Units of measurement based on universal physical constants}} ...ollapsed, such that the physical constants completely define the system of units and the relevant physical laws contain no conversion constants. ...

...ton energy''' is the [[energy]] carried by a single [[photon]]. The amount of energy is directly proportional to the photon's [[electromagnetic wave|elec ...to lower energy photons as in the optical and [[radio frequency]] regions of the [[electromagnetic spectrum]]. ...