kinematics 

https://doi.org/10.1351/goldbook.K03394
The study of the properties of motion that are independent of the nature of the forces. In @R05170@ the term is often applied in particular to effects that occur when atomic masses are changed, the forces remaining the same.
Source:
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 170 [Terms] [Paper]
Citation: 'kinematics' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.K03394 RIS BibTex EndNote
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Last revised: February 24, 2014