Glossary of classical physics
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This article is a glossary of classical physics. It is some of the most common terms in classical physics and how they are used.
Contents: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z— See also |
[edit] 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
[edit] B
- Boltzmann constant - a physical constant relating temperature to energy
[edit] C
- Chaos theory - The study of processes in nonlinear dynamical systems, such as the Butterfly effect
- Classical mechanics - A set of laws describing the motion of bodies and their aggregations
- Coulomb's Law - the force acting between charged bodies
- Crystal - A regular ordering of atoms, molecules, or ions
- Choke coil - An inductance used in an A.C circuit to control current
[edit] 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.
[edit] 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 body of the metal
[edit] 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
[edit] G
- Gravity - an attractive force between particles with mass
- Geomagnetism - The branch of physics which deals with the study of earth's magnetic field
[edit] H
- Hamiltonian mechanics - a reformulation of Lagrangian mechanics
[edit] I
- 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
[edit] J
- Joule's law - equation for the heat generated by a current flowing in a conductor
[edit] K
- Kinetic energy - energy due to motion
[edit] L
- 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
[edit] 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 bonds
- 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.
[edit] N
- Newton's laws of motion - the three laws by Newton, publish in Philosophiae Naturalis Principia Mathematica in 1687
- Newtonian mechanics - the first formulation of classical mechanics
[edit] O
- Ohm's law - relationship between the current flowing in a conductor and the voltage difference between its end
[edit] P
- Philosophiae Naturalis Principia Mathematica - a three-volume work published by Isaac Newton in 1687, introducing his famous three laws of motion
- Potential energy - energy stored when doing work against a force
[edit] Q
- Quantum mechanics - the theory that separates classical and modern physics
[edit] R
- Resonance - the tendency of a system to absorb more energy at its resonance frequency in a given process
[edit] S
- Semiclassical - refers to a combination of classical mechanics and quantum mechanics
- Special theory of relativity - a theory published in 1905 by Albert Einstein that replaced Newton's notions of space and time
- Statistical mechanics - the application of mathematical statistics to the collective motions of large populations of particles
[edit] T
- Temperature - the average kinetic energy of Molecules.
- Thermodynamics - the study of thermal processes in physical systems
[edit] U
- Ultraviolet catastrophe - a false prediction made by classical mechanics preceding quantum mechanics
[edit] V
- Velocity - the change in the position of an object in time
[edit] W
- Wave - a disturbance that propagates in a periodically repeating fashion, often transferring energy
- Work - the energy transferred to an object by a force
[edit] X
- X-rays - a form of ionizing electromagnetic radiation
[edit] Y
- Young's modulus - a measure of the stiffness of a body or material