impuls

1. (of a desire, urge) impulse; urge
   Imao sam impuls da joj odmah napišem poruku. — I had an urge to text her right away.
   Haljinu je kupila pod uticajem trenutnog impulsa. — She bought the dress on a sudden impulse.
2. (of development, movement) impetus; boost
   Nova fabrika dala je impuls razvoju grada. — The new factory gave a boost to the town's development.
3. (in physics, biology) pulse; impulse
   Nervni impulsi putuju do mozga veoma brzo. — Nerve impulses travel to the brain very quickly.
4. (in physics) momentum
   Impuls zatvorenog sistema ostaje nepromenjen. — The momentum of a closed system remains unchanged.

In physics impuls (tela) is momentum (p = mv), while impuls sile is impulse.