parallelogram rule
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parallelogram law — noun : a law in physics: the resultant of two vector quantities represented in magnitude, direction, and sense by two adjacent sides of a parallelogram both of which are directed toward or away from their point of intersection is the diagonal of… … Useful english dictionary
parallelogram law — Math., Physics. a rule for adding two vectors, as forces (parallelogram of forces), by placing the point of application of one at the point of origin of the other and obtaining their sum by constructing the line connecting the two remaining end… … Universalium
Cramer's rule — In linear algebra, Cramer s rule is a theorem, which gives an expression for the solution of a system of linear equations with as many equations as unknowns, valid in those cases where there is a unique solution. The solution is expressed in… … Wikipedia
Euclidean vector — This article is about the vectors mainly used in physics and engineering to represent directed quantities. For mathematical vectors in general, see Vector (mathematics and physics). For other uses, see vector. Illustration of a vector … Wikipedia
Net force — For novel series created by Tom Clancy and Steve Pieczenik, see Tom Clancy s Net Force. In physics, net force is the total force acting on an object. It is calculated by vector addition of all forces that are actually acting on that object. Net… … Wikipedia
Force — For other uses, see Force (disambiguation). See also: Forcing (disambiguation) Forces are also described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate … Wikipedia
Areal velocity — is the rate at which area is swept out by a particle as it moves along a curve. In many applications, the curve lies in a plane, but in others, it is a space curve.The adjoining figure shows a continuously differentiable curve in blue. At time t … Wikipedia
Simpson's paradox — (or the Yule Simpson effect) is a statistical paradox wherein the successes of groups seem reversed when the groups are combined. This result is often encountered in social and medical science statistics [cite journal title = Simpson s Paradox in … Wikipedia
De motu corporum in gyrum — (Latin: On the motion of bodies in an orbit ) is the (presumed) title of a manuscript by Isaac Newton sent to Edmond Halley in November 1684. It followed a visit by Halley earlier in that year, when Halley had questioned Newton about problems… … Wikipedia
List of basic geometry topics — For a more comprehensive list, see the list of geometry topics. Geometry is one of the main branches of mathematics and deals with space and spatial relationships. It covers the measurement, properties, and relationships of points, lines, angles … Wikipedia
Hanner's inequalities — In mathematics, Hanner s inequalities are results in the theory of L p spaces. Their proof was published in 1956 by Olof Hanner. They provide a simpler way of proving the uniform convexity of L p spaces for p isin; [1, + infin;) than the approach … Wikipedia
