2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/680The relation between the gravitational potential energy, W, the central potential, U, and the mass, M: W/U/M is considered for various homogeneous and inhomogeneous self-gravitating bodies.9 pages, 5 .eps figures, revtexAstrophysicsClassical Physicstext