A study of relativistic mechanics in semistatic spaces. All physical quantities in a 4-dimensional, hyperbolic normal metric space can be determined in terms of the metric and curvature of the hypersurfaces orthogonal to the time-oriented normal congruence and one additional function of all four coordinates. These determinations are explained and provide a means whereby the hypersurface geometry is uniquely determinable in terms of the projection of the momentum-energy tensor onto the hypersurface.
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