Equivalence of inertial-to-gravitational mass
inertial
mass
gravitational
(active, passive)
mass
action/reaction principle Þ the CM of an isolated system moves with constant velocity in an
inertial frame
gravitational mass (“gravitational charge” analog to “electric charge” ): conceptually unrelated to inertial mass
Universality of Free Fall (UFF)
law
of gravitational interaction