forces acting on
121aerodynamics — aerodynamic, aerodynamical, adj. aerodynamically, adv. /air oh duy nam iks/, n. (used with a sing. v.) the branch of mechanics that deals with the motion of air and other gases and with the effects of such motion on bodies in the medium. Cf.… …
122Social Protection — ▪ 2006 Introduction With medical costs skyrocketing and government programs scaled back, citizens bore more responsibility for their health care costs; irregular migration, human trafficking, and migrant smuggling posed challenges for… …
123Expérience de Trouton-Noble — L’expérience de Trouton Noble est une tentative de détecter le déplacement de la Terre dans l éther. Cette expérience fut menée de 1901 à 1903 par Frederick Thomas Trouton et Henry R. Noble. Elle est liée à quelques expériences de pensée :… …
124Fundamental interaction — In physics, a fundamental interaction or fundamental force is a mechanism by which particles interact with each other, and which cannot be explained in terms of another interaction. Overview In the conceptual model of fundamental interactions,… …
125Friction — For other uses, see Friction (disambiguation). Classical mechanics …
126Quantum mechanics — For a generally accessible and less technical introduction to the topic, see Introduction to quantum mechanics. Quantum mechanics …
127Curtain wall — For defensive curtain walls in medieval buildings, see Curtain wall (fortification). Glass curtain wall of the Bauhaus Dessau A curtain wall is an outer covering of a building in which the outer walls are non structural, but merely keep out the… …
128Combined operations — For the department of the British War Office during World War II, see Combined Operations Headquarters. In military use, combined operations , also known as joint operations, or interoperability capability, are either operations conducted by… …
