Question

what is normal force​

Answer 1

In mechanics, the normal force is the component of a contact force that is perpendicular to the surface that an object contacts. For example, the surface of a floor or table that prevents an object from falling...

Answer 2

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the normal force is the component of a contact force that is perpendicular to the surface that an object contacts. For example, the surface of a floor or table that prevents an object from falling.