This is the 2591st most frequent Portuguese word.
físicos
"Physicists" or "physical" (depending on context).
Here, 'físicos' refers to physical concepts, utilizing the word as an adjective describing 'conceitos'.
Os estudantes de física estudam conceitos físicos todos os dias.
Physics students study physical concepts every day.
In this sentence, 'físicos' functions as a noun referring to individuals specialized in physics.
Existem diversos físicos renomados no campo da ciência.
There are many renowned physicists in the field of science.
Here, 'físicos' serves as an adjective to describe 'exercícios', portraying the physical nature of the activities.