2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/30067The pressure in a classical Coulomb fluid at equilibrium is obtained from the Maxwell tensor at some point inside the fluid, by a suitable statistical average. For fluids in an Euclidean space, this is a fresh look on known results. But, for fluids in a curved space, a case which is of some interest, the unambiguous results from the Maxwell tensor approach have not been obtained by other methods.17 pages, minor stylistic corrections made. To be published in J.Stat.PhysStatistical Mechanicstext