noun🔗Share动力学 The branch of mechanics concerned with motion of objects, as well as the reason i.e. the forces acting on such bodies. This, along with kinematics constitute dynamics, which is concerned purely with the effects of forces on moving bodies."To design a safe and effective roller coaster, engineers need a strong understanding of kinetics, including how gravity and friction affect the speed and forces on the cars. "为了设计安全有效的过山车，工程师需要对动力学有深入的理解，包括重力和摩擦力如何影响车厢的速度和受力。physicsscienceenergyChat with AIVocabulary GamePractice Reading
noun🔗Share化学动力学，反应动力学 The branch of chemistry that is concerned with the rates of chemical reactions."The chemistry teacher explained the kinetics of the rusting process in the lab. "化学老师在实验室讲解了铁锈形成过程的化学动力学原理.chemistrysciencephysicsChat with AIVocabulary GamePractice Reading
