如图,一静止斜面MN与水平面的倾角α=30°,斜面上有一质量为m的小球P,Q是一带竖直推板的直杆,其质量为3m.现使竖直杆Q以水平加速度a=0.5g水平向右匀加速直线运动,从而推动小球P沿斜面向上运动
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 22:25:25
![如图,一静止斜面MN与水平面的倾角α=30°,斜面上有一质量为m的小球P,Q是一带竖直推板的直杆,其质量为3m.现使竖直杆Q以水平加速度a=0.5g水平向右匀加速直线运动,从而推动小球P沿斜面向上运动](/uploads/image/z/7242496-16-6.jpg?t=%E5%A6%82%E5%9B%BE%2C%E4%B8%80%E9%9D%99%E6%AD%A2%E6%96%9C%E9%9D%A2MN%E4%B8%8E%E6%B0%B4%E5%B9%B3%E9%9D%A2%E7%9A%84%E5%80%BE%E8%A7%92%CE%B1%3D30%C2%B0%2C%E6%96%9C%E9%9D%A2%E4%B8%8A%E6%9C%89%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E5%B0%8F%E7%90%83P%2CQ%E6%98%AF%E4%B8%80%E5%B8%A6%E7%AB%96%E7%9B%B4%E6%8E%A8%E6%9D%BF%E7%9A%84%E7%9B%B4%E6%9D%86%2C%E5%85%B6%E8%B4%A8%E9%87%8F%E4%B8%BA3m.%E7%8E%B0%E4%BD%BF%E7%AB%96%E7%9B%B4%E6%9D%86Q%E4%BB%A5%E6%B0%B4%E5%B9%B3%E5%8A%A0%E9%80%9F%E5%BA%A6a%3D0.5g%E6%B0%B4%E5%B9%B3%E5%90%91%E5%8F%B3%E5%8C%80%E5%8A%A0%E9%80%9F%E7%9B%B4%E7%BA%BF%E8%BF%90%E5%8A%A8%2C%E4%BB%8E%E8%80%8C%E6%8E%A8%E5%8A%A8%E5%B0%8F%E7%90%83P%E6%B2%BF%E6%96%9C%E9%9D%A2%E5%90%91%E4%B8%8A%E8%BF%90%E5%8A%A8)
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