一质量为m的物块在与水平方向成θ角的力F的作用下从A点由静止开始沿水平直轨道运动19.(10分)如图所示,一质量为m的物块在与水平方向成θ角的力F的作用下从A点由静止开始沿水平直轨道运
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![一质量为m的物块在与水平方向成θ角的力F的作用下从A点由静止开始沿水平直轨道运动19.(10分)如图所示,一质量为m的物块在与水平方向成θ角的力F的作用下从A点由静止开始沿水平直轨道运](/uploads/image/z/5028660-36-0.jpg?t=%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E7%89%A9%E5%9D%97%E5%9C%A8%E4%B8%8E%E6%B0%B4%E5%B9%B3%E6%96%B9%E5%90%91%E6%88%90%CE%B8%E8%A7%92%E7%9A%84%E5%8A%9BF%E7%9A%84%E4%BD%9C%E7%94%A8%E4%B8%8B%E4%BB%8EA%E7%82%B9%E7%94%B1%E9%9D%99%E6%AD%A2%E5%BC%80%E5%A7%8B%E6%B2%BF%E6%B0%B4%E5%B9%B3%E7%9B%B4%E8%BD%A8%E9%81%93%E8%BF%90%E5%8A%A819.%EF%BC%8810%E5%88%86%EF%BC%89%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E7%89%A9%E5%9D%97%E5%9C%A8%E4%B8%8E%E6%B0%B4%E5%B9%B3%E6%96%B9%E5%90%91%E6%88%90%CE%B8%E8%A7%92%E7%9A%84%E5%8A%9BF%E7%9A%84%E4%BD%9C%E7%94%A8%E4%B8%8B%E4%BB%8EA%E7%82%B9%E7%94%B1%E9%9D%99%E6%AD%A2%E5%BC%80%E5%A7%8B%E6%B2%BF%E6%B0%B4%E5%B9%B3%E7%9B%B4%E8%BD%A8%E9%81%93%E8%BF%90)
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