+Normal force is the fundamental [contact force](/wiki/contact_force) a surface exerts, pushing an object directly away from itself. This invisible push, always perpendicular to the surface, often balances [gravity](/wiki/gravity), preventing objects from passing through.
+## See also
+- [Friction](/wiki/friction)
+- [Weight](/wiki/weight)
+- [Newton's Laws](/wiki/newton's_laws)
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