движеща сила angolul

impellent▼(An impelling power or force.)
noun
[UK: ɪm.ˈpe.lənt] [US: ɪm.ˈpe.lənt]

momentum [momenta]▼(impetus, either of a body in motion, or of an idea or course of events)
noun
[UK: mə.ˈmen.təm] [US: moˈmen.təm]

motor [motors]▼(figuratively: source of power; driving force)
noun
[UK: ˈməʊ.tə(r)] [US: ˈmoʊ.tə(r)]