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Juanita studies several free-body diagrams in which a normal force is shown. What is always true about a normal force in a free-body diagram?

It is opposite the weight.
It is perpendicular to a surface.
It is opposite the net force.
It is parallel to a surface.

Respuesta :

Answer:

It is parallel to a surface

Step-by-step explanation:

Answer:

B. It is perpendicular to a surface.

Step-by-step explanation:

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