牛顿第一定律的内容是:一切物体在没有受到外力作用的时候,总保持静止状态或匀速直线运动状态。要正确理解该定律,应注意以下几个方面:①该定律不是直接由实验归纳出来的,而是在大量经验事实的基础上,通过推理而概括出来的,但由此推出的结论,经实践检验是正确的。②定律成立的? The content of Newton’s first law is that all objects are always at rest or in a state of uniform linear motion when they are not subjected to external forces. To correctly understand the law, we should pay attention to the following aspects: 1 The law is not directly derived from the experiment, but is based on a large number of empirical facts, summarized by reasoning, but the resulting conclusions, practiced The test is correct. 2 laws established?