opposite force
61Suck down force — From [http://etd.lib.fsu.edu/theses/available/etd 04182005 165029/unrestricted/LouDissertation.pdf| Control of Supersonic Impinging Jets Using Microjets by Huadon Lou] :Loss of lift is another major problem when STOVL aircraft hover close to the… …
62Polish Air Force checkerboard — The Air Force checkerboard ( pl. szachownica lotnicza) is a national marking for the aircraft of the Polish Air Force, equivalent to roundels used in other nations air forces. It consists of four equal squares, of which the upper right and lower… …
63centripetal force — A force which acts towards a central point, such as Earth s gravity. In a sense it is the opposite of centrifugal force …
64third force — a political faction or party, etc., occupying an intermediate position between two others representing opposite extremes. [1945 50] * * * …
65mechanics — /meuh kan iks/, n. 1. (used with a sing. v.) the branch of physics that deals with the action of forces on bodies and with motion, comprised of kinetics, statics, and kinematics. 2. (used with a sing. v.) the theoretical and practical application …
66physical science, principles of — Introduction the procedures and concepts employed by those who study the inorganic world. physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …
67Reaction (physics) — In classical mechanics, Newton s third law states that forces occur in pairs, one called the Action and the other the Reaction ( actio et reactio in Latin). Both forces are equal in magnitude and opposite in direction. The distinction between… …
68particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …
69Newton's laws of motion — Relations between the forces acting on a body and the motion of the body, formulated by Isaac Newton. The laws describe only the motion of a body as a whole and are valid only for motions relative to a reference frame. Usually, the reference… …
70Hammer — A hammer is a tool meant to deliver an impact to an object. The most common uses are for driving nails, fitting parts, and breaking up objects. Hammers are often designed for a specific purpose, and vary widely in their shape and structure. Usual …
