force

[OED]: 11. Physics, etc. An influence (measurable with regard to its intensity and determinable with regard to its direction) operating on a body so as to produce an alteration or tendency to alteration of its state of rest or of uniform motion in a straight line; the intensity of such an influence as a measurable quantity. NOTE: Recent physicists mostly retain the word merely as the name for a measure of change of motion, not as denoting anything objectively existing as a cause.

force

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Source: 
Johnson, M. (1987)
A general gestalt structure for force: First, force is always experienced through interaction…Second, our experience of force usually involves the movement of some object (mass) through space in some direction. In other words, force has a vector quality, a directionality…Third, there is typically a single path of motion...Fourth, forces have origins or sources, and because they are directional, agents can direct them to targets...Fifth, forces have degrees of power or intensity. Where there is power there exists the possibility of measuring the force it generates...Sixth, because we experience force via interaction, there is always a structure or sequence of causality involved (p 43-44)
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