Question

this force always acts in the perpendicular direction to the surface....................... ​

Answer 1

Answer:

Normal force always acts perpendicular to the contact surface. It can act counter to gravity or to any other force that pushes an object against a surface. Think of normal force as the force that keeps a surface solid; without normal force, an object would pass right through a surface.

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Answer 2

Answer:

Normal Force is the answer to above question