什么叫 dynamics?什么叫 kinetics?中文怎么译? - 知乎 Dynamics: a branch of mechanics that deals with forces and their relation primarily to the motion but sometimes also to the equilibrium of bodies kinematics: a branch of dynamics that deals with aspects of motion apart from considerations of mass and force dynamic arrest不太了解但直觉上也许就和趋于平衡态有关。