stuwkracht angolul

impetus [impetuses]▼(a force, either internal or external, that impels; an impulse)
noun
[UK: ˈɪm.pɪ.təs] [US: ˈɪm.pə.təs]

thrust [thrusts]▼(force due to propulsion)
noun
[UK: ˈθrʌst] [US: ˈθrʌst]