torque test!

torque test

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1) "Torque" -- As to torque test 1torque Variant(s): or torc /'tork/ Function: noun Etymology: French, from Latin torques, from torquEre to twist -- more at TORTURE : a usually metal collar or neck chain worn by the ancient Gauls, Germans, and Britons Pronunciation Symbols It has been suggested that this article or section be merged with Moment (physics). (Discuss) In physics, torque (or often called a moment) can informally be thought of as "rotational force" or "angular force" which causes a change in rotational motion. This force is defined by linear force multiplied by a radius. The SI units for torque are newton metres. In the U.S., foot-pounds force (ft·lbs) are also commonly encountered. The symbol for torque is τ, the Greek letter tau. The concept of torque, also called moment or couple, originated with the work of Archimedes on levers. The rotational analogues of force, mass, and acceleration are torque, moment of inertia, and angular acceleration, respectively. The force applied to a lever, multiplied by its distance from the lever's fulcrum, is the torque. For example, a force of three newtons applied two metres from the fulcrum exerts the same torque as one newton applied six metres from the fulcrum. This assumes the force is in a direction at right angles to the straight lever. Mathematically, the torque on a particle (which has the position r in some reference frame) can be defined as the cross product: where r is the particle's position vector F is the force acting on the particle, or, more generally, torque can be defined as the rate of change of angular momentum, where L is the angular momentum vector, and t stands for time. As a consequence of either of these definitions, torque is a vector, which points along the axis of the rotation it would tend to cause. 1 Units 2 Special cases and other facts 2.1 Moment arm formula 2.2 Force at an angle 2.3 Static equilibrium 2.4 Torque as a function of time 3 Machine torque 4 ..." 2) "Test" -- As to torque test 1test Pronunciation: 'test Function: noun Etymology: Middle English, vessel in which metals were assayed, potsherd, from Anglo-French test, tees pot, Latin testum earthen vessel; akin to Latin testa earthen pot, shell 1 a chiefly British : CUPEL b (1) : a critical examination, observation, or evaluation : TRIAL; specifically : the procedure of submitting a statement to such conditions or operations as will lead to its proof or disproof or to its acceptance or rejection <a test of a statistical hypothesis> (2) : a basis for evaluation : CRITERION c : an ordeal or oath required as proof of conformity with a set of beliefs 2 a : a means of testing: as (1) : a procedure, reaction, or reagent used to identify or characterize a substance or constituent (2) : something (as a series of questions or exercises) for measuring the skill, knowledge, intelligence, capacities, or aptitudes of an individual or group b : a positive result in such a test 3 : a result or value determined by testing 4 : TEST MATCH Pronunciation Symbols For testing page editing on Wikipedia, please go to Wikipedia:Sandbox which was created specifically for this purpose. Test or testing may be one of the following processes: how is this Test and experiment form parts of the scientific method, to verify or falsify an expectation with an observation. See statistical hypothesis testing for the case when the outcome is subject to random variation. A Fire test, which is used to qualify fire protection products. A Test (student assessment), in education, (also called an "examination" or "exam") serves to assess or measure students' performance, knowledge or skills In law, a legal test is a term of art for the application of a multi-part legal standard to a question of fact or law. Quality control testing, in manufacturing, a procedure designed to test the functionality of a product under potentially harmful conditions; see also system under test Software testing, in software engineering, identifies bugs in programs In marketing, a type of marketing research Other uses of the word test: Andrew Martin used the ringname Test in professional wrestling Test match, in sports, a game with international overtones Test cricket, in the sport of cricket, consists of a two-innings match between two top-level cricketing nations In biology, a test is the shell of one of certain microbes, such as testate foraminifera and testate amoebas. test is a Unix command for evaluating conditional expressions. In fishing, a measure of the strength of fishing line River Test, England Test, German magazine, also known as "Stiftung Warentest" Tester may refer to: Somebody carrying out any of the above test processes a panel painting suspended above a medieval tomb, or a panel over a four-poster bed used to suspend curtains. 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