Abstract
Let us accept the quantum mechanical description of a free particle and one fact from special relativity: rest mass contributes to energy. If we add to this bare framework one additional fact—that time runs slower near the earth—we can account for our everyday experience of gravity.
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References
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Wootters, W.K. Why Things Fall. Foundations of Physics 33, 1549–1557 (2003). https://doi.org/10.1023/A:1026052631476
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DOI: https://doi.org/10.1023/A:1026052631476