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Asked in GSEB Board March 2022 · Binding energy curve and nuclear force
Idea: the nuclear force is whatever holds a nucleus together, and a nucleus is made of nucleons — protons and neutrons alike.
It is charge-independent: for a given separation the attraction between two protons, between a proton and a neutron, and between two neutrons is essentially the same.
It is also short-ranged, reaching only a few femtometres, and at those distances it is far stronger than the Coulomb repulsion.
So it acts between all the nucleons, not between one particular pair.
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