Question

define normal reaction force​

Answer 1

Answer:

The normal force is the force that surfaces exert to prevent solid objects from passing through each other. Normal force is a contact force. ... It makes sense that the force is perpendicular to the surface since the normal force is what prevents solid objects from passing through each other.

Answer 2

Answer:

The normal force is the force that surfaces exert to prevent solid objects from passing through each other. Normal force is a contact force. ... It makes sense that the force is perpendicular to the surface since the normal force is what prevents solid objects from passing through each other.