직선 운동 (linear motion) 변위 (Displacement) 속도 (Velocity) 평균속도 (average velocity)순간속도 (instaneous velocity)속력 (speed) 가속도 (Acceleration) 출처: https://en.wikipedia.org/wiki/Linear_motion 회전 운동 (rotational motion) kinematics Angular Displacement Angluar Velocity Angluar Acceleration Dynamics Moment of inertia Torque Angluar moment..