f the two objects kg d distance between centers m p momentum kcm p•wv mass kg  velocity fp W work 1(-Joule) F force N O distance m f La Lose 2 F. V•W IL W• V44 P.1/4 q-wed P power W (-Watt) W work .1 t time s KE. kinetic energy 1 m mass kg  velocity F. electrical force