law of inertia can' be proved by experimen罡?章 Reason: a free particle or system; no interaction; an inertial frame of reference Logical cycle appears Galilean ideal experiment目 录 第2 章 The law of inertia can’t be proved by experiment. Reason： • a free particle or system; • no interaction; • an inertial frame of reference; Logical cycle appears Galilean ideal experiment; vo v5 < v4