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The acronym FN on a force diagram would represent Normal Force. That is option C.

What is a force diagram?

A force diagram is the type of diagram that illustrates the different types of forces acting on an object.

The types of forces that can be represented by a force diagram include the following:

  • Applied Force.

  • Gravitational Force.

  • Normal Force.

  • Frictional Force.

  • Air Resistance Force.

  • Tension Force.

  • Spring Force.

The normal force (FN) is the force that is acting of the object which is perpendicular to the surface the object is in contact with.

Learn more about forces here:

https://brainly.com/question/12785175

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