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。
源于 孔德 对于研究类型的区分（社会动学 vs 社会静学）。社会动学是关于社会变迁、人类自然进步（思想、人类活动、道德的进步）的理论。 如果你是要翻译这个短语的话 [ The dynamics of (a situation or group of people) ]，可以翻译成“…的反动力”（指某种强有力的内部力量，这种力量能够为某情形、某 ...
