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I do not know what I may appear to the world , but to myself I seem to have been only like a boy playing on the sea -shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me . Sir Isaac Newton ( January 4 , 1643 – March 31 1727 or in Old Style : December 25 , 1642 – March 20 , 1727) was an English physicist , mathematician , astronomer , alchemist , inventor , theologian and natural philosopher . He is often regarded as the most influential scientist in history and is most famous for discovering the Laws of Gravity . [ edit ] Quotes
Timeline of classical mechanics : [ edit ] Early Mechanics
This article deals with the history of classical mechanics .
Kinematics is the branch of classical mechanics that describes the motion of points, bodies (objects) and systems of bodies (groups of objects) without consideration of the causes of motion. [ 1 ] [ 2 ] [ 3 ] The term is the English version of A.M.
This article applies to gases; see also Kinetic theory of solids
Stresses in a contact area loaded simultaneously with a normal and a tangential force. Stresses were made visible using photoelasticity . Contact mechanics is the study of the deformation of solids that touch each other at one or more points. [ 1 ] [ 2 ] The physical and mathematical formulation of the subject is built upon the mechanics of materials and continuum mechanics and focuses on computations involving elastic , viscoelastic , and plastic bodies in static or dynamic contact. Central aspects in contact mechanics are the pressures and adhesion acting perpendicular to the contacting bodies' surfaces, the normal direction , and the frictional stresses acting tangentially between the surfaces.
Heinrich Rudolf Hertz (22 February 1857 – 1 January 1894) was a German physicist who clarified and expanded James Clerk Maxwell 's electromagnetic theory of light , which was first demonstrated by David Edward Hughes using non- rigorous trial and error procedures .
Adhesion is the tendency of dissimilar particles or surfaces to cling to one another ( cohesion refers to the tendency of similar or identical particles/surfaces to cling to one another).