Question

normal force condition describe

Answer 1

The normal force is the support force exerted upon an object that is in contact with another stable object. For example, if a book is resting upon a surface, then the surface is exerting an upward force upon the book in order to support the weight of the book.

Answer 2

The normal force is the counter force to a mass pushing against a surface. The normal force is always perpendicular to the surface. When solving problems involving normal forces, it's important to draw a free body diagram, including all of the forces acting on the mass.

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