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Impulse is a measure of the change in momentum of an object. It is equal to the force applied to an object multiplied by the time for which the force is applied.
Impulse is calculated by multiplying the force applied to an object by the time for which the force is applied. The unit of impulse is Newton-seconds (N·s) in the metric system, or pound-seconds (lb·s) in the imperial system.
Impulse and force are directly proportional to each other. This means that the greater the force applied to an object, the greater the impulse will be. Similarly, the longer the force is applied, the greater the impulse will be.
Impulse is equal to the change in momentum of an object. This means that the impulse applied to an object will result in a change in its momentum. The direction of the change in momentum will depend on the direction of the force applied.
In the imperial system, impulse is measured in pound-seconds (lb·s). This means that the force applied must be measured in pounds (lb) and the time for which the force is applied must be measured in seconds (s).