what is impulse
class 11 topic
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Impulse
- Impulse is defined as a force multiplied by time it acts over.
- For example: Tennis racket strikes a ball, an impulse is applied to the ball. The racket puts a force on the ball for a short time period.
F ∆t = ∆p
F = ∆p/ ∆t = Rate of Change of momentum
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In classical mechanics, impulse 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 quantity. Impulse applied to an object produces an equivalent vector change in its linear momentum, also in the resultant direction.
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