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Glossary Of Classical Physics




This article serves as a glossary of the most common terms in Classical Physics and how they are used.


A

  • Acceleration - the change in the velocity of an object in unit time

  • Ampère's Law - relates a circulating magnetic field to an electric current passing through a loop

  • Atom - smallest unit of a Chemical Element , the limit of classical physics on the small length scales



B



C



D

  • Determinism - classical physics is largely deterministic

  • Dip(δ) - the angle which the direction of total intensity of earth's magnetic field makes with a horizontal line in the magnetic meridian at that place.



E

  • Elastic Collision - a collision, during which no kinetic is lost

  • Electric Current - the flow of electric charge through an object

  • Electrical Resistance - a measure of the degree to which an object opposes the passage of electric current

  • Energy - a measure of being able to do mechanical work

  • Electromotive Force - the amount of energy gained per unit charge that passes through a device in the opposite direction to the electric field existing across that device

  • Eddy Currents - changing magnetic flux linked with metal plate produces induced current which flow in closed paths throughout the bodyof the metal



F

  • Force - an external cause for Acceleration in a physical system

  • Free Energy - the amount of mechanical work that can be extracted from a system

  • G

  • Gravity - an attractive force between particles with mass

  • Geomagnetism - The branch of physics which deals with the study of earth's magnetic field



H


  • Ideal Gas - a gas consisting of identical particles of negligible volume, with no intermolecular forces

  • Inertia - a historical concept used for describing massive, moving objects

  • J

  • Joule's Law - equation for the heat generated by a current flowing in a conductor



K


  • Lagrangian - a function describing the equations of motion for a system

  • Lagrangian Mechanics - an abstract reformulation of classical mechanics

  • Light - electromagnetic radiation with a wavelength visible to the human eye

  • M

  • Macroscopic - attribute used for objects and processes observable by the naked eye

  • Mass - a measure of the amount of matter

  • Maxwell's Equations - four equations that describe electric and magnetic fields, and their interaction with matter

  • Molecule - a group of atoms koined by Chemical Bond s

  • Momentum - the product of mass and velocity

  • Magnetic Field - The space around a magnet or a conductor carrying current within which its magnetic influence can be detected or experienced.



N


  • Ohm's Law - relationship between the current flowing in a conductor and the voltage difference between its end

  • P



  • Resonance - the tendency of a system to absorb more energy at its ''resonant frequency'' in a given process



S




  • Velocity - the change in the position of an object in time

  • W

  • Wave - a disturbance that propagates in a periodically repeating fashion, often transferring energy

  • Work - the energy transferred to an object by a force

  • X

  • X-ray s - a form of ionizing electromagnetic radiation

  • Y



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