Construct · 2 fields · 2 citations

Where does motion collide?

One name. Different field. Different construct. One map.

● jingle · one word, two constructs Nearest construct by meaningdynamicscompare the meanings
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Every construct on the map is compared with every other by the meaning of its definitions, and the closest one is surfaced here. The nearest construct to motion is dynamics.

Hold this as a prompt, not a verdict. Two constructs sitting close in meaning is a reason to read them side by side and decide for yourself whether they are one idea under two names. It is not proof that they are. Compare the meanings in the Collider.

motion2 CONSTRUCTSPhysical motionNEWTON · MOVING BODYMelodic motionHURON · VOICE MOTION

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1687Physical motion2001Melodic motion
2026

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Physics

Change of position over time

The change of a body's position with respect to time and a chosen reference frame: it is described by displacement, velocity, and acceleration, and it is governed by the laws that relate force to how the movement changes. Newton's 1687 Philosophiae Naturalis Principia Mathematica set out the three laws of motion and the mechanics that predict how bodies move under forces. The referent here is a physical event in space and time, measured with rulers and clocks, and it is nothing like a request filed with a court, a proposal put to an assembly, or the movement of a melody between pitches.[1]

Unit
A body's displacement per unit time, read as velocity and acceleration
Recovery means
Not applicable
Measured by
Tracked by measuring position against time in a reference frame, giving speed, velocity, and acceleration

Music theory

Movement of a melodic line between pitches

In music, motion is the movement of a melodic line from one pitch to another, and the relationship between two voices as they move: a melody can move by step (conjunct) or by leap (disjunct), and two voices can move in the same direction (parallel), in opposite directions (contrary), or with one held still (oblique). Huron's 2001 Tone and Voice, in the journal Music Perception, derived the traditional rules of this voice-leading motion from principles of how the ear hears sound. The referent is a pattern of pitch movement in sound, heard and notated, and it is not a body moving in space, a request to a court, or a proposal before an assembly.[2]

Unit
A move from one pitch to the next, by step or leap, within or between voices
Recovery means
Not applicable
Measured by
Described by the direction and size of the pitch change, and classified as conjunct or disjunct and as parallel, contrary, or oblique

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Nearby collisions

displacement5 fields · 6 citationsjingle · one word, five constructsvelocity6 fields · 14 citationsjingle · one name, six constructsmomentum7 fields · 14 citationsjingle · one name, six constructs

References

  1. Newton, I. (1687). Philosophiae naturalis principia mathematica. Royal Society.
  2. Huron, D. (2001). Tone and voice: A derivation of the rules of voice-leading from perceptual principles. Music Perception, 19(1), 1–64. https://doi.org/10.1525/mp.2001.19.1.1

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