Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The branch of mechanics that is 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.
  • noun The forces and motions that characterize a system.
  • noun The social, intellectual, or moral forces that produce activity and change in a given sphere.
  • noun Variation in force or intensity, especially in musical sound.
  • noun Psychodynamics.

from The Century Dictionary.

  • noun The mathematical theory of force; also (until recently the common acceptation), the theory of forces in motion; the science of deducing from given circumstances (masses, positions, velocities, forces, and constraints) the motions of a system of particles.
  • noun The moving moral or physical forces of any kind, or the laws which relate to them.

from the GNU version of the Collaborative International Dictionary of English.

  • noun That branch of mechanics which treats of the motion of bodies (Kinematics) and the action of forces in producing or changing their motion (kinetics). Dynamics is held by some recent writers to include statics and not kinematics.
  • noun The moving moral, as well as physical, forces of any kind, or the laws which relate to them.
  • noun (Mus.) That department of musical science which relates to, or treats of, the power of tones.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mechanics The branch of mechanics that is concerned with the effects of forces on the motion of objects.
  • noun music The volume of the sound, such as piano, mezzo piano, mezzo forte, and forte.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the branch of mechanics concerned with the forces that cause motions of bodies

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From dynamic +‎ -ics.

Examples

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