Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Forza normale-it#Sense
Força normal-pt#Sense
Normaalivoima-fi#Sense
Normalkraft-da#Sense
Normalkraft-de#Sense
Normalkraft-sv#Sense
Force normale-fr#Sense
Normaalkracht-nl#Sense
Κάθετη δύναμη-el#Sense
Fuerza normal-es#Sense
Normal force-en#Sense