angular+dimensions

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• Angular displacement — of a body is the angle in radians (degrees, revolutions) through which a point or line has been rotated in a specified sense about a specified axis.When an object rotates about its axis, the motion cannot simply be analyzed as a particle, since… …   Wikipedia

• Angular velocity — Do not confuse with angular frequency The unit for angular velocity is rad/s.In physics, the angular velocity is a vector quantity (more precisely, a pseudovector) which specifies the angular speed, and axis about which an object is rotating. The …   Wikipedia

• Angular momentum — For a generally accessible and less technical introduction to the topic, see Introduction to angular momentum. Classical mechanics Newton s Second Law …   Wikipedia

• Angular momentum operator — In quantum mechanics, the angular momentum operator is an operator analogous to classical angular momentum. The angular momentum operator plays a central role in the theory of atomic physics and other quantum problems involving rotational… …   Wikipedia

• Spinors in three dimensions — In mathematics, the spinor concept as specialised to three dimensions can be treated by means of the traditional notions of dot product and cross product. This is part of the detailed algebraic discussion of the rotation group… …   Wikipedia

• Geometric dimensioning and tolerancing — (GD T) is a system for defining and communicating engineering tolerances. It uses a symbolic language on engineering drawings and computer generated three dimensional solid models for explicitly describing nominal geometry and its allowable… …   Wikipedia

• Bearing (navigation) — This article is about the navigational term. For other uses, see Bearing. A standard Brunton Geo compass, used commonly by geologists and surveyors to obtain a bearing in the field. In marine navigation, a bearing is the direction one object is… …   Wikipedia

• Earthrise — For the upcoming MMORPG see Earthrise (video game). For other uses, see Earthrise (disambiguation). Earthrise is the name given to NASA image AS8 14 2383, taken by astronaut William Anders [ [http://www.abc.net.au/science/moon/earthrise.htm The… …   Wikipedia

• Pei Xiu — Chinese t=裴秀 s=裴秀Pei Xiu (224 ndash;271) was a minister, geographer, and cartographer of the Kingdom of Wei during the Three Kingdoms Period of China, as well as the subsequent Jin Dynasty. Pei Xiu was very much trusted by Sima Zhao, and… …   Wikipedia

• ISO 128 — is an international standard (ISO), about the general principles of presentation in technical drawings, more specific the graphical representation of objects on technical drawings.[1] Contents 1 Overview 2 Composition of the ISO 128 …   Wikipedia

• Mid-lift — (also mid lift) is a design and installation of a Rocker arm on the internal combustion engine, of an Over Head Valve (OHV) design. The MID LIFT principle became known as a term within a US Patent, #4,365,785, issued to Jim Miller in 1982, also… …   Wikipedia