vis viva
English
Etymology
From Latin, meaning "live force", coined by Gottfried W. Leibniz in order to denote a quantity discovered by Christiaan Huygens.
Noun
vis viva
- (physics, obsolete) The product of an object's mass and the square of its speed.
Usage notes
- It is exactly twice what is now called kinetic energy.
Antonyms
- vis mortua
Derived terms
- vis viva equation