Changes

[[Classical physics]] generally encompasses all areas of physics that were well-understood by the end of the 19th century (i.e., before the events that led to the advent of the theory of relativity and quantum mechanics).  It is applicable to problems on an "everyday" scale; that is, situations in which energies are large enough to permit one to neglect quantum effects, but small enough to neglect relativistic effects.  Areas of study within classical physics include

[[Classical physics]] generally encompasses all areas of physics that were well-understood by the end of the 19th century (i.e., before the events that led to the advent of the theory of relativity and quantum mechanics).  It is applicable to problems on an "everyday" scale; that is, situations in which energies are large enough to permit one to neglect quantum effects, but small enough to neglect relativistic effects.  Areas of study within classical physics include

*[[Mechanics]], the study of the motion of bodies

*[[Mechanics]], the study of forces acting on bodies and the motion of them.

*[[Thermodynamics]], the study of energy, heat, work and its transformations

*[[Thermodynamics]], the study of energy, heat, work, entropy and its transformations.

*[[Electricity and magnetism]], the study of electric and magnetic phenomena

*[[Electricity and magnetism]], the study of the electric and magnetic phenomena.

Most kinds of [[wave]] behavior are also considered to lie within the classical domain.  Therefore, the studies of [[sound]] (which may be considered a subset of mechanics) and the wavelike nature of [[light]] (a subset of electricity and magnetism) are classical pursuits.

Most kinds of [[wave]] behavior are also considered to lie within the classical domain.  Therefore, the studies of [[sound]] (which may be considered a subset of mechanics) and the wavelike nature of [[light]] (a subset of electricity and magnetism) are classical pursuits.