用弹簧秤悬挂物体,当物体静止时对弹簧秤的拉力大小等于物体受到的重力.用二力平衡和相互作用原理讨论上面的结论:为什么要以“静止时”作为前提?匀速运动行不行?变速运动呢?为什么说
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 14:57:32
![用弹簧秤悬挂物体,当物体静止时对弹簧秤的拉力大小等于物体受到的重力.用二力平衡和相互作用原理讨论上面的结论:为什么要以“静止时”作为前提?匀速运动行不行?变速运动呢?为什么说](/uploads/image/z/912550-22-0.jpg?t=%E7%94%A8%E5%BC%B9%E7%B0%A7%E7%A7%A4%E6%82%AC%E6%8C%82%E7%89%A9%E4%BD%93%2C%E5%BD%93%E7%89%A9%E4%BD%93%E9%9D%99%E6%AD%A2%E6%97%B6%E5%AF%B9%E5%BC%B9%E7%B0%A7%E7%A7%A4%E7%9A%84%E6%8B%89%E5%8A%9B%E5%A4%A7%E5%B0%8F%E7%AD%89%E4%BA%8E%E7%89%A9%E4%BD%93%E5%8F%97%E5%88%B0%E7%9A%84%E9%87%8D%E5%8A%9B.%E7%94%A8%E4%BA%8C%E5%8A%9B%E5%B9%B3%E8%A1%A1%E5%92%8C%E7%9B%B8%E4%BA%92%E4%BD%9C%E7%94%A8%E5%8E%9F%E7%90%86%E8%AE%A8%E8%AE%BA%E4%B8%8A%E9%9D%A2%E7%9A%84%E7%BB%93%E8%AE%BA%3A%E4%B8%BA%E4%BB%80%E4%B9%88%E8%A6%81%E4%BB%A5%E2%80%9C%E9%9D%99%E6%AD%A2%E6%97%B6%E2%80%9D%E4%BD%9C%E4%B8%BA%E5%89%8D%E6%8F%90%3F%E5%8C%80%E9%80%9F%E8%BF%90%E5%8A%A8%E8%A1%8C%E4%B8%8D%E8%A1%8C%3F%E5%8F%98%E9%80%9F%E8%BF%90%E5%8A%A8%E5%91%A2%3F%E4%B8%BA%E4%BB%80%E4%B9%88%E8%AF%B4)
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