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初中物理第二册同步练习浙江省玉环县教委教研室郑青岳第一章机械能一、动能和势能１．一个物体，我们就说它具有能量．物体由于运动而具有的能叫做，物体由于被举高而具有的能叫做，物体由于发生弹性形变而具有的能叫做．２．跳伞运动员在空中匀速下降的过程中，动能一，...
Junior Middle School Physics Book II Synchronization Exercise Zheng Qingyue, Zhejiang Provincial Education Committee, Yuhuan County Education Committee Chapter 1 Mechanical Energy 1. Kinetic Energy and Potential Energy 1. An object, we say it has energy. What an object has as a result of its movement can be called. The object can be called because it has been lifted. The object can be called because of its elastic deformation. 2. The skydivers have a kinetic energy in the course of a steady decline in the air....