马拖着一根质量为m的树干在粗糙的水平地面上作加速直线运动,加速度大小为a,已知马对树干的拉力大小为F1树干对马的拉力为F2.则有:两力相等我认为不相等的,树干对马的拉力只是F1的摩擦
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 13:55:33
![马拖着一根质量为m的树干在粗糙的水平地面上作加速直线运动,加速度大小为a,已知马对树干的拉力大小为F1树干对马的拉力为F2.则有:两力相等我认为不相等的,树干对马的拉力只是F1的摩擦](/uploads/image/z/2380738-58-8.jpg?t=%E9%A9%AC%E6%8B%96%E7%9D%80%E4%B8%80%E6%A0%B9%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E6%A0%91%E5%B9%B2%E5%9C%A8%E7%B2%97%E7%B3%99%E7%9A%84%E6%B0%B4%E5%B9%B3%E5%9C%B0%E9%9D%A2%E4%B8%8A%E4%BD%9C%E5%8A%A0%E9%80%9F%E7%9B%B4%E7%BA%BF%E8%BF%90%E5%8A%A8%2C%E5%8A%A0%E9%80%9F%E5%BA%A6%E5%A4%A7%E5%B0%8F%E4%B8%BAa%2C%E5%B7%B2%E7%9F%A5%E9%A9%AC%E5%AF%B9%E6%A0%91%E5%B9%B2%E7%9A%84%E6%8B%89%E5%8A%9B%E5%A4%A7%E5%B0%8F%E4%B8%BAF1%E6%A0%91%E5%B9%B2%E5%AF%B9%E9%A9%AC%E7%9A%84%E6%8B%89%E5%8A%9B%E4%B8%BAF2.%E5%88%99%E6%9C%89%EF%BC%9A%E4%B8%A4%E5%8A%9B%E7%9B%B8%E7%AD%89%E6%88%91%E8%AE%A4%E4%B8%BA%E4%B8%8D%E7%9B%B8%E7%AD%89%E7%9A%84%2C%E6%A0%91%E5%B9%B2%E5%AF%B9%E9%A9%AC%E7%9A%84%E6%8B%89%E5%8A%9B%E5%8F%AA%E6%98%AFF1%E7%9A%84%E6%91%A9%E6%93%A6)
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