Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2002-12-09
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
29 pages, LaTeX. This is an extended version with new results and considerations
Scientific paper
The notions of centrifugal (centripetal) and Coriols' velocities and accelerations are introduced and considered in spaces with affine connections and metrics as velocities and accelerations of flows of mass elements (particles) moving in space-time. It is shown that these types of velocities and accelerations are generated by the relative motions between the mass elements. They are closely related to the kinematic characteristics of the relative velocity and the relative acceleration. The null (isotropic) vector fields are considered and their relations with the centrifugal (centripetal) velocity are established. The centrifugal (centripetal) velocity is found to be in connection with the Hubble law and the generalized Doppler effect in spaces with affine connections and metrics. The centrifugal (centripetal) acceleration could be interpreted as gravitational acceleration as it has been done in the Einstein theory of gravitation. This fact could be used as a basis for working out of new gravitational theories in spaces with affine connections and metrics.
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