have+a+circular+motion
121Newton, Sir Isaac — born Jan. 4, 1643, Woolsthorpe, Lincolnshire, Eng. died March 31, 1727, London English physicist and mathematician. The son of a yeoman, he was raised by his grandmother. He was educated at Cambridge University (1661–65), where he discovered the… …
122Work (physics) — Classical mechanics Newton s Second Law History of classical mechanics  …
123Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat …
124Guiding center — Charged particle drifts in a homogeneous magnetic field. (A) No disturbing force (B) With an electric field, E (C) With an independent force, F (eg. gravity) (D) In an inhomogeneous magnetic field, grad H In many cases of practical interest, the… …
125Saw pit — A saw pit or sawpit is a pit over which lumber is positioned to be sawed with a long two handled saw by two men, one standing above the timber and the other below. [http://www.thefreedictionary.com/sawpit sawpit ] and… …
126Crankshaft — For other uses, see Crankshaft (disambiguation). Crankshaft (red), pistons (gray) in their cylinders (blue), and flywheel (black) The crankshaft, sometimes casually abbreviated to crank, is the part of an engine which translates reciprocating… …
127Twin paradox — In physics, the twin paradox is a thought experiment in special relativity, in which a twin makes a journey into space in a high speed rocket and returns home to find he has aged less than his identical twin who stayed on Earth. This result… …
128History of physics — The modern discipline of physics emerged in the 17th century following in traditions of inquiry established by Galileo Galilei, René Descartes, Isaac Newton, and other natural philosophers.Fact|date=September 2008 Prior to this time, a unified… …
