建筑工地上,工人用如图所示的装置将重为580N的建材从地面匀速送到6m高处,所用拉力为300N,不计摩擦和绳重,则绳子自由端(即人拉绳端)移动的距离为______m,动滑轮重力为_______N.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 02:08:20
![建筑工地上,工人用如图所示的装置将重为580N的建材从地面匀速送到6m高处,所用拉力为300N,不计摩擦和绳重,则绳子自由端(即人拉绳端)移动的距离为______m,动滑轮重力为_______N.](/uploads/image/z/1084020-60-0.jpg?t=%E5%BB%BA%E7%AD%91%E5%B7%A5%E5%9C%B0%E4%B8%8A%2C%E5%B7%A5%E4%BA%BA%E7%94%A8%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%E7%9A%84%E8%A3%85%E7%BD%AE%E5%B0%86%E9%87%8D%E4%B8%BA580N%E7%9A%84%E5%BB%BA%E6%9D%90%E4%BB%8E%E5%9C%B0%E9%9D%A2%E5%8C%80%E9%80%9F%E9%80%81%E5%88%B06m%E9%AB%98%E5%A4%84%2C%E6%89%80%E7%94%A8%E6%8B%89%E5%8A%9B%E4%B8%BA300N%2C%E4%B8%8D%E8%AE%A1%E6%91%A9%E6%93%A6%E5%92%8C%E7%BB%B3%E9%87%8D%2C%E5%88%99%E7%BB%B3%E5%AD%90%E8%87%AA%E7%94%B1%E7%AB%AF%EF%BC%88%E5%8D%B3%E4%BA%BA%E6%8B%89%E7%BB%B3%E7%AB%AF%EF%BC%89%E7%A7%BB%E5%8A%A8%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BA______m%2C%E5%8A%A8%E6%BB%91%E8%BD%AE%E9%87%8D%E5%8A%9B%E4%B8%BA_______N.)
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