| Scientific relevance of the Equivalence Principle
(I) |
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| The total mass-energy of a body can be expressed as the sum |
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| of many terms corresponding to the energy of all the |
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| conceivable interactions and components (as fraction of the |
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| total): |
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| -rest mass ( @ 1) |
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| -nuclear binding energy (@ 8×10-3 ) |
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| -mass difference between neutron and proton ( @ 8×10-4
(A-Z)/A ) |
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| -electrostatic energy of repulsion in the nuclei (@ 6×10-4 Z2
A-4/3 ) |
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| -mass of electrons (@ 5×10-4 Z) |
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| -antiparticles (@ 10-7 ) |
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| -weak interactions responsible for b decay (@ 10-11 ) |
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