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GCSE Physics · key term
The SI unit of force, with symbol N.
Used by Edexcel and OCR
Specification 2.15, 2.16, 2.17 · Paper 1
The SI unit of force. One newton is the resultant force that gives a mass of 1 kg an acceleration of .
Revise: Newton's Second LawNewton's second law uses their resultant force: the single force with the same overall effect as all those forces combined.
Specification P2.2i · Paper 1 (Foundation), Paper 3 (Higher)
The SI unit of force. One newton accelerates a mass of 1 kg at .
Revise: Newton’s second lawNewton's second law describes quantitatively how this acceleration depends on the force and the object's mass.
Do not use kilograms for weight: weight is a force measured in newtons (N), while mass is measured in kilograms (kg).
State both the instrument and the unit: measure weight with a Newton meter (force meter) and record it in newtons (N).
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