kinetics

noun (used with a singular verb) Physics.

1. the branch of mechanics that deals with the actions of forces in producing or changing the motion of masses.

noun (functioning as singular)

1. another name for dynamics (def. 2)
2. the branch of mechanics, including both dynamics and kinematics, concerned with the study of bodies in motion
3. the branch of dynamics that excludes the study of bodies at rest
4. the branch of chemistry concerned with the rates of chemical reactions

n.

1864, from kinetic; see -ics.

n.

1. The branch of mechanics concerned with the effects of forces on the motion of a body or system of bodies, especially of forces that do not originate within the system itself.dynamics
2. The branch of chemistry concerned with the rates of change in the concentration of reactants in a chemical reaction.

1. See dynamics.