Editing Dynamics (mechanics)

{{short description|Study of forces and their effect on motion}}

In [[physics]], '''dynamics''' or '''classical dynamics'''<ref>{{cite book | last=Greenwood | first=D.T. | title=Classical Dynamics | publisher=Dover Publications | series=Dover books on mathematics | year=1997 | isbn=978-0-486-69690-4 | url=https://books.google.com/books?id=x7rj83I98yMC | access-date=2025-02-23}}</ref><ref>{{cite book | last1=Thornton | first1=S.T. | last2=Marion | first2=J.B. | title=Classical Dynamics of Particles and Systems | publisher=Brooks/Cole | year=2004 | isbn=978-0-534-40896-1 | url=https://books.google.com/books?id=HOqLQgAACAAJ | access-date=2025-02-23}}</ref><ref>{{cite book | last1=José | first1=J.V. | last2=Saletan | first2=E.J. | title=Classical Dynamics: A Contemporary Approach | publisher=Cambridge University Press | year=1998 | isbn=978-0-521-63636-0 | url=https://books.google.com/books?id=Eql9dRQDgvQC | access-date=2025-02-23}}</ref> is the study of [[Force (physics)|forces]] and their effect on [[motion]].
It is a branch of [[classical mechanics]], along with ''[[statics]]'' and ''[[kinematics]]''.
The ''fundamental principle of dynamics'' is linked to [[Newton's second law]].<ref name="z988">{{cite book | last=Mittelstedt | first=Christian | title=Engineering Mechanics 3: Dynamics | chapter=Kinetics of a point mass | publisher=Springer Berlin Heidelberg | publication-place=Berlin, Heidelberg | date=2025 | isbn=978-3-662-69972-0 | doi=10.1007/978-3-662-69973-7_2 | pages=35–69}}</ref>

==Subdivisions==

===Rigid bodies===
{{excerpt|Rigid-body dynamics|templates=-classical mechanics}}

===Fluids===
{{excerpt|Fluid dynamics|templates=-continuum mechanics|files=1}}

==Applications==
{{see also|Applications of fluid dynamics}}
Classical dynamics finds many applications:
* ''[[Aerodynamics]]'', the study of the motion of air
* ''[[Brownian dynamics]]'', the occurrence of Langevin dynamics in the motion of particles in solution
* ''[[File dynamics]]'', stochastic motion of particles in a channel
* ''[[Flight dynamics]]'', the science of aircraft and spacecraft design
* ''[[Molecular dynamics]]'', the study of motion on the molecular level
* ''[[Langevin dynamics]]'', a mathematical model for stochastic dynamics
* ''[[Orbital dynamics]]'', the study of the motion of rockets and spacecraft
* ''[[Stellar dynamics]]'', a description of the collective motion of stars
* ''[[Vehicle dynamics]], the study of vehicles in motion

==Generalizations==
Non-classical dynamics include:
* ''[[System dynamics]]'', the study of the behavior of complex systems
* ''[[Quantum dynamics]]'' analogue of classical dynamics in a quantum physics context
* ''[[Quantum chromodynamics]]'', a theory of the strong interaction (color force)
* ''[[Quantum electrodynamics]]'', a description of how matter and light interact
* ''[[Relativistic dynamics]]'', a combination of relativistic and quantum concepts
* ''[[Thermodynamics]]'', the study of the relationships between heat and mechanical energy

==See also==
{{main cat|Dynamics (mechanics)}}
* [[Analytical dynamics]]
* [[Ballistics]]
* [[Contact dynamics]]
* [[Dynamical simulation]]
* [[Kinetics (physics)]]
* [[Multibody dynamics]]
* [[n-body problem|''n''-body problem]]

==References==
{{reflist}}

[[Category:Dynamics (mechanics)]]

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