为什么物体刚开始运动时受合力不为零?比如说,物体甲一开始运动时速度为2m/s,3m/s,4m/s...一直到30m/s恒定时合力为0,为什么一开始合力不为零?而且为什么刚开始要想达到30m/s需要一个缓冲过程(
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/29 01:33:03
![为什么物体刚开始运动时受合力不为零?比如说,物体甲一开始运动时速度为2m/s,3m/s,4m/s...一直到30m/s恒定时合力为0,为什么一开始合力不为零?而且为什么刚开始要想达到30m/s需要一个缓冲过程(](/uploads/image/z/11057907-3-7.jpg?t=%E4%B8%BA%E4%BB%80%E4%B9%88%E7%89%A9%E4%BD%93%E5%88%9A%E5%BC%80%E5%A7%8B%E8%BF%90%E5%8A%A8%E6%97%B6%E5%8F%97%E5%90%88%E5%8A%9B%E4%B8%8D%E4%B8%BA%E9%9B%B6%3F%E6%AF%94%E5%A6%82%E8%AF%B4%2C%E7%89%A9%E4%BD%93%E7%94%B2%E4%B8%80%E5%BC%80%E5%A7%8B%E8%BF%90%E5%8A%A8%E6%97%B6%E9%80%9F%E5%BA%A6%E4%B8%BA2m%2Fs%2C3m%2Fs%2C4m%2Fs...%E4%B8%80%E7%9B%B4%E5%88%B030m%2Fs%E6%81%92%E5%AE%9A%E6%97%B6%E5%90%88%E5%8A%9B%E4%B8%BA0%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%80%E5%BC%80%E5%A7%8B%E5%90%88%E5%8A%9B%E4%B8%8D%E4%B8%BA%E9%9B%B6%3F%E8%80%8C%E4%B8%94%E4%B8%BA%E4%BB%80%E4%B9%88%E5%88%9A%E5%BC%80%E5%A7%8B%E8%A6%81%E6%83%B3%E8%BE%BE%E5%88%B030m%2Fs%E9%9C%80%E8%A6%81%E4%B8%80%E4%B8%AA%E7%BC%93%E5%86%B2%E8%BF%87%E7%A8%8B%28)
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