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Definition: Statical moment
(st[a^]t"[i^]k), Statical \Stat"ic*al\
(-[i^]*kal), a. [Gr. statiko`s causing to stand, skilled in
weighing, fr. 'ista`nai to cause to stand: cf. F. statique.
, and cf. Stage
1. Resting; acting by mere weight without motion; as,
statical pressure; static objects.
2. Pertaining to bodies at rest or in equilibrium.
, Statical electricity
. See the Note
. See under Moment
, n. [F. moment, L. momentum, for movimentum
movement, motion, moment, fr. movere to move. See Move
1. A minute portion of time; a point of time; an instant; as,
at that very moment.
In a moment, in the twinkling of an eye. --1 Cor.
2. Impulsive power; force; momentum.
The moments or quantities of motion in bodies.
Touch, with lightest moment of impulse,
His free will. --Milton.
3. Importance, as in influence or effect; consequence; weight
or value; consideration.
Matters of great moment. --Shak.
It is an abstruse speculation, but also of far less
moment and consequence of us than the others.
4. An essential element; a deciding point, fact, or
consideration; an essential or influential circumstance.
5. (Math.) An infinitesimal change in a varying quantity; an
increment or decrement. [Obs.]
6. (Mech.) Tendency, or measure of tendency, to produce
motion, esp. motion about a fixed point or axis.
Moment of a couple
(Mech.), the product of either of its
forces into the perpendicular distance between them.
Moment of a force
(a) With respect to a point, the product of the intensity
of the force into the perpendicular distance from the
point to the line of direction of the force.
(b) With respect to a line, the product of that component
of the force which is perpendicular to the plane
passing through the line and the point of application
of the force, into the shortest distance between the
line and this point.
(c) With respect to a plane that is parallel to the force,
the product of the force into the perpendicular
distance of its point of application from the plane.
Moment of inertia
, of a rotating body, the sum of the mass
of each particle of matter of the body into the square of
its distance from the axis of rotation; -- called also
moment of rotation
and moment of the mass
, the product of a force into its leverage;
the same as moment of a force
with respect to a point,
. See under Virtual
Syn: Instant; twinkling; consequence; weight; force; value;
consideration; signification; avail.