Impetus

импулс

impuls

(a force, either internal or external, that impels; an impulse)

подбуда

podbuda

(a force, either internal or external, that impels; an impulse)

реакция

reakcija

(an activity in response to a stimulus)

стимул

stimul

(something that impels)

тласък

tlasǎk

(the force or energy associated with a moving body; a stimulus)

устрем

ustrem

(the force or energy associated with a moving body; a stimulus)