Meaning & History. From a Germanic name meaning ruler of the army, composed of the elements wald rule and hari army. The Normans brought it to England, where it replaced the Old English cognate Wealdhere.A famous bearer of the name was Sir Walter Scott (1771-1832), a Scottish novelist who wrote 'Ivanhoe' and other notable works.eaning & History. From a Germanic name meaning ruler of the army, composed of the elements wald rule and hari army. The Normans brought it to England, where it replaced the Old English cognate Wealdhere.
In classical mechanics, impulse (symbolized by J or Imp) is the integral of a force, F, over the time interval, t, for which it acts. Since force is a vector quantity, impulse is also a vector in the same direction.Impulse applied to an object produces an equivalent vector change in its linear momentum, also in the same direction.he term impulse is also used to refer to a fast-acting force or impact. This type of impulse is often idealized so that the change in momentum produced by the force happens with no change in time.
Urge is the act of force or pushing along or a desire for something. 1  An example of urge is an argument that college is an important to a wavering high school senior. 2  An example of urge is a strong wish for caramel.  Urge is defined as to force or push to stimulate someone to take action.