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A non-contact force is a force which acts on an object without coming physically in contact with it.[1] The most familiar non-contact force is gravity, which confers weight.[2] In contrast a contact force is a force applied to a body by another body that is in contact with it.[2]

All four known fundamental interactions are non-contact forces:[3]

See also

Tension
Body force
Surface force
Action at a distance (physics)

References

Rusty L. Myers (2006). The Basics of Physics. Greenod Publishing Group. p. 40. ISBN 0313328579.
Rusty L. Myers (2006). The Basics of Physics. Greenwood Publishing Group. p. 40. ISBN 0313328579.
Jon A. Celesia (1997). Preparation for Introductory College Physics: A Guided Student Primer. p. 41.

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