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...metrology]] units are standards for [[measurement]] of [[physical quantity|physical quantities]] that need clear definitions to be useful. [[Reproducibility]] ...ties a unit is absolutely necessary to communicate values of that physical quantity. For example, conveying to someone a particular length without using some s

...of the object's mass in the linear kinetic energy equation. We give this quantity, a kind of "rotational mass", a name: ''moment of inertia''. [[Category:Physical quantity]]

...language|Old English]] sometime around the [[9th century]], and meant the quantity measured with a [[balance]] -- the same as [[mass]] in both common and scie In the [[physical science]]s, people usually distinguish between weight and mass. Under most

...d, a [[gas compressor]] is added to the air intake, thereby increasing the quantity of oxygen available for combustion. This compressed air is normally refer ...an increase to the effective capacity of the engine without an increase in physical size. The forced induction approach has the advantage that the intake press

...in the [[Boeing 787|Boeing 787 Dreamliner]], in which the first full sized physical realization is made on the series production line. Computer modeling is now ...circuit to a theoretical design to verify that it works, and to provide a physical platform for debugging it if it does not. The prototype is often constructe

..."force cross distance" and so is a [[pseudovector|(pseudo) vector]]-valued quantity. Of course, the dimensional equivalence of these units is not simply a coi where '''α''' is [[angular acceleration]], a quantity usually measured in [[radian]]s per [[second]] squared.

[[Category:Physical quantity]]

...sed, the speed of operation of the engine can be increased, or the mixture quantity (volume) can be delivered at a higher pressure, which is the function of su ...eate for their displacement, are generally taxed as 1.5 times their actual physical displacment (1.3 litres becomes 2.0, 2.0 becomes 3.0), although actual powe

...the remnant solid substance, called ''[[pomace]]'', still contains a small quantity of oil. * ''Virgin'' means the oil was produced by the use of physical means and no chemical treatment. The term ''virgin oil'' referring to produ

...odern internal combustion engines''' and the early designs is the use of [[Physical compression|compression]] and in particular of in-cylinder compression. ...ngines will take in air only, and shortly before peak compression, a small quantity of diesel fuel is sprayed into the cylinder via a fuel injector that allows

...t yet been invented. The two types of preservation were either chemical or physical. Meats and fish would be smoked, dried or kept on ice. Brine and salt were It is usually served in a [[demitasse]] in relatively small quantity. [[Caffè macchiato]] is a topped with a bit of steamed milk or foam; [[ris