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Normal Force

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AP Physics 1

Definition

The normal force is the force exerted by a surface to support the weight of an object resting on it. It acts perpendicular to the surface.

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Subjects (12)

Practice Questions (7)

What is the magnitude of the normal force acting on the 10kg box?
A box is sitting on the floor of an elevator. The elevator is accelerating upwards. Which of the following is true about the magnitude of the normal force?
A box is sitting on the floor of an elevator. The elevator is accelerating downwards. Which of the following is true about the magnitude of the normal force?
A ferris wheel is rotating in a vertical circle. At the lowest point of the circle, the normal force exerted by the seat on the rider is _________ the gravitational force.
When an elevator accelerates downwards, what happens to the Normal Force acting on a person inside it?
If the elevator cable snaps and the elevator-person system falls freely, what happens to the Normal Force acting on the person?
When the elevator accelerates upwards, what is the relationship between the Normal Force and the true weight of a person inside it?

Additional resources (2)

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