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物理定律是对物理规律的一种表达形式。通过大量的观察、实验归纳而成的结论。反映物理现象在一定条件下发生变化过程的必然关系。物理定律的教学应注意:首先要明确、掌握有关物理概念,再通过实验归纳出结论,或在实验的基础上进行逻辑推理(如牛顿第一定律)。有些物理量的定义式
The law of physics is an expression of the laws of physics. Through a large number of observations, the conclusion drawn from the experiment. Necessary relationship reflecting the process of change of physical phenomenon under certain conditions. The teaching of laws of physics should pay attention to: First of all, it is necessary to clarify and grasp the related concepts of physics, then draw conclusions through experiments or conduct logical reasoning on the basis of experiments (such as Newton’s First Law). Some physical quantities of the definition