This is the 11350th most frequent Portuguese word.
motriz
"Motriz" means "motor" or "driving force" in English.
In this sentence, 'motriz' refers to driving force or energy, describing something that propels motion.
O motor é a força motriz do automóvel.
The engine is the driving force of the automobile.
Here, 'motriz' is used metaphorically to indicate motivation or inspiration that drives action.
A motivação motriz dos estudantes foi a paixão pelo aprendizado.
The students' driving motivation was the passion for learning.
In this case, 'motriz' is attributed to a physical phenomenon (electric current) causing mechanical movement.