also: ダイナミックス
noun
Borrowed English term used in physics, engineering, music, and abstract contexts to refer to forces, change, or variation within a system.
流体ダイナミクスを研究している。
I am researching fluid dynamics.
この曲のダイナミクスが素晴らしい。
The dynamics of this piece are wonderful.
Standard katakana loanword spelling.
Variant spelling with geminate ッ; less common but encountered.
力学 is the native Japanese term for mechanics/dynamics in physics, while ダイナミクス is a loanword often used in broader or more modern contexts.
Loanword from English 'dynamics'.