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cyberk cyberk
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When a force is called a "normal" force, it is



the usual force expected given the arrangement of a system.



a force that is perpendicular to the surface of the Earth at any given location.



a force that is always vertical.



a contact force perpendicular to the contact surfaces between two objects.



the net force acting on a system.

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College Physics

College Physics


Edition: 5th
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tkane127tkane127
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