S4.1定轴转动运动学(Kinematics of Rotation About a Fixed Axis) 同“圆周运动” S = RO V= Ro a, Ra an = Ro 2§4.1 定轴转动运动学 (Kinematics of Rotation About a Fixed Axis) ——同“圆周运动”  v  s R o t a  n a  S = R v = R at = R 2 an = R