Instant Centre Of Rotation
The instant center of rotation, also called instantaneous center and instant center, is the point in a body undergoing planar movement that has zero velocity at a particular instant of time. At this instant the velocity vectors of the trajectories of other points in the body generate a circular field around this point which is identical to what is generated by a pure rotation.
Planar movement of a body is often described using a plane figure moving in a two dimensional plane. The instant center is the point in the moving plane around which all other points are rotating at a specific instant of time.
The continuous movement of a plane has an instant center for every value of the time parameter. This generates a curve called the moving centrode. The points in the fixed plane corresponding to these instant centers form the fixed centrode.
Read more about Instant Centre Of Rotation: Pole of A Planar Displacement, Instant Center of A Wheel Rolling Without Slipping, Instant Center of Rotation and Mechanisms, Examples of Application
Famous quotes containing the words instant, centre and/or rotation:
“For an instant I see the sky, the different skies, then they turn to faces, agonies, loves, the different loves, happiness too, yes there was that too, unhappily.”
—Samuel Beckett (1906–1989)
“Freedom to think our own thoughts, freedom to utter them, freedom to live out the promptings of our inner life ultimated in this convention, was termed a monstrosity of the 19th century. What was it?—the legitimate out-birth of the eternal law of progress. This reformation underlies every other; it is the only healthful centre around which hope of humanity can revolve.”
—Harriot K. Hunt (1805–1875)
“The lazy manage to keep up with the earth’s rotation just as well as the industrious.”
—Mason Cooley (b. 1927)