Normal Force Equation (Fn=Fgcosθ)

Definition

The normal force equation states that the normal force (Fn) acting on an object is equal to the weight of the object (Fg) multiplied by the cosine of the angle (θ) between the object and a horizontal surface.

Related terms

Weight:

The force exerted by gravity on an object.

Angle of Inclination: The angle between a tilted surface and a horizontal plane.

Horizontal Surface: A flat surface parallel to the ground.