1.3.1 Inertia
工程科技

        Inertia is the resistance of any physical object to any change in its state of motion(this includes changes to its speed,direction or state of rest). It is the tendency ofobjects to keep moving in a straight line at constant velocity. Mass is the quantita......（本文共 1373 字, 2 張圖）     [閱讀本文] >>