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GCSE Physics · key term
A force that acts between objects without them touching.
Used by AQA, Edexcel and OCR
Specification 4.2.5.1, 4.2.5.2, 4.5.1.2, 4.7.1.1 · Paper 1, Paper 2
A push or pull acting between objects that are not touching.
Revise: Static chargeAttraction and repulsion are non-contact forces because they act while there is still a gap between the objects.
A force acting between objects that are not touching.
A force between objects that are physically separated.
Specification 9.1, 11.8P · Paper 2
A force that can act between objects without them touching.
Specification P2.2b, P2.3g, P4.1a · Paper 1 (Foundation), Paper 3 (Higher)
A force that can act when the interacting objects are not touching, such as gravitational, electrostatic or magnetic force.
Paper 1, Paper 2
A force that acts between objects without them having to touch.
Revise: Properties of Magnets and Magnetic FieldsIf two permanent magnets are brought close together, each exerts a force on the other without touching it, so magnetic attraction and repulsion are examples of non-contact forces.
When explaining a non-contact force, give the complete chain: the first charge creates a field, the second charge is in that field, so it experiences a force.
Identify the two interacting objects before naming the force. Whether they are touching determines whether it is a contact or non-contact force.
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