ETYM Latin impulsus, from impellere. Related to Impel.
The act of applying force suddenly; SYN. impulsion, impetus.
In mechanics, the product of a force and the time over which it acts. An impulse applied to a body causes its momentum to change and is equal to that change in momentum. It is measured in newton seconds.
For example, the impulse J given to a football when it is kicked is given by.
J = Ft.
Where F is the kick force in newtons and t is the time in seconds for which the boot is in contact with the ball.
To give an impulse to.