Strong nuclear force
What Strong nuclear force means in Physics A-Level, as defined for AQA, OCR.
Definitions of Strong nuclear force
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Reference: OCR
Acts between nucleons and holds the nucleus together against electrostatic repulsion between protons, being much stronger than the electrostatic force at nuclear separations.
A force that acts between quarks and between hadrons, and acts over about 10⁻¹⁵ m, within the nucleus.
The attractive force that, as Z increases, more neutrons are needed to provide without adding charge.
Topics that use Strong nuclear force
- Nuclear instability (A-level only) (AQA A-Level)
- Fundamental particles (OCR A-Level)
- The nuclear atom (OCR A-Level)
Related terms
- Alpha emission
- Anti-quark charge reversal
- Atomic and nuclear density
- Atomic and nuclear dimensions
- Atomic structure
- Baryon number and strangeness
- Baryons
- Beta-minus decay
Using Strong nuclear force in the exam
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