# Contact & Non-Contact Forces

Notice that some forces need contact between two objects (contact forces) while magnetic forces can act at a distance (non-contact forces)

Builds on: Forces Vocabulary (hard, https://ai.page/c/forces-vocabulary/en.md), Drawing Force Diagrams (soft, https://ai.page/c/drawing-force-diagrams/en.md), Friction & Surfaces (hard, https://ai.page/c/friction-and-surfaces/en.md)

Concept id: contact-and-non-contact-forces. Subject: science. Licence: CC BY-SA 4.0.

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