Abstract
THE rigid-body motions proposed by Born1 and Herglotz2 have, in general, only three degrees of freedom, so that the world line of one point determines the complete motion. My purpose here is to define a group of rigid-body motions with six degrees of freedom as in Newtonian mechanics. Any such definition must be regarded as tentative, and its physical significance tested by experiment (see following communication from Prof. J. L. Synge).
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References
Born, M., Ann. Phys., 30, 1 (1909).
Herglotz, G., Ann. d. Phys., 31, 393 (1910).
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GARDNER, G. Rigid-Body Motions in Special Relativity. Nature 170, 243 (1952). https://doi.org/10.1038/170243a0
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DOI: https://doi.org/10.1038/170243a0
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