Klassikal fysiks

Klassikal fysiks bi a grup of fysiks theoris wey predayt modern, moh komplit, or moh waidly applikabul theoris. If a korrently asepted theori dé konsidad to bi modern, and e introdukshion reprisent a major paradaim shift, then di previous theoris, or niu theoris bayzd on di olda paradaim, ga often dé referd to as belongin to di area of "klassikal fysiks".

As such, di definishion of a klassikal theori depends on kontex. Klassikal fysikal konsepts often dé yuzd wen modern theoris unnecessarily de komplex for a partikula situashion. Most often, klassikal fysiks refers to pre-1900 fysiks, while modern fysiks refers to post-1900 fysiks, which inkorporayts elements of quantum mekaniks and relativity.Weidner and Sells, Elementary Modern Fysiks Prefais p.iii, 1968

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Klassikal theori get at least tuw distinkt meanings for fysiks. For di kontex of quantum mekaniks, klassikal theori refer to theoris of fysiks wey no dé yuz di quantizashion paradaim, which inklud klassikal mekaniks and relativity. Laikwaiz, klassikal field theoris, such as jeneral relativity and klassikal elektromagnetisim, bi those wey no dé yuz quantum mekaniks. For di kontex of jeneral and special relativity, klassikal theoris bi those wey dé obey Galilean relativity.

Dependin on point of view, among di branches of theori wey dé somtaims inkluded for klassikal fysiks variably bi:

 Klassical mekaniks
 Newton's laws of moshion
 Klassikal Lagrangian and Hamiltonian formalisims
 Klassikal elektrodynamiks (Maxwell Equashions)
 Klassikal thermodynamiks

 Klassikal kaios theori and nonlinia dynamiks

 Also see 

 Referens