Subjects/Basic Physics/Work, energy and power/Gravitational potential energy near the surface6. Work, energy and powerGravitational potential energy near the surfaceIn 6. Work, energy and powerFormulaCopy LaTeXUg=mgyChangeCopy LaTeXΔUg=mg(yf−yi)Conditionsg approximately constant.Related formulasRelatedWeightFg=mgOpen formulaOpen in sectionRelatedWork of a conservative forceWc=−ΔU=Ui−UfOpen formulaOpen in sectionRelatedUniversal gravitational potential energyU(r)=−GrMmOpen formulaOpen in section