在倾斜角为o的光滑斜面上,一质量为m的球被竖直板挡住,求:(1)球对挡板和斜面的压力大小(2)撤去挡板后小球的加速度.
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![在倾斜角为o的光滑斜面上,一质量为m的球被竖直板挡住,求:(1)球对挡板和斜面的压力大小(2)撤去挡板后小球的加速度.](/uploads/image/z/3727760-32-0.jpg?t=%E5%9C%A8%E5%80%BE%E6%96%9C%E8%A7%92%E4%B8%BAo%E7%9A%84%E5%85%89%E6%BB%91%E6%96%9C%E9%9D%A2%E4%B8%8A%2C%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E7%90%83%E8%A2%AB%E7%AB%96%E7%9B%B4%E6%9D%BF%E6%8C%A1%E4%BD%8F%2C%E6%B1%82%EF%BC%9A%281%29%E7%90%83%E5%AF%B9%E6%8C%A1%E6%9D%BF%E5%92%8C%E6%96%9C%E9%9D%A2%E7%9A%84%E5%8E%8B%E5%8A%9B%E5%A4%A7%E5%B0%8F%282%29%E6%92%A4%E5%8E%BB%E6%8C%A1%E6%9D%BF%E5%90%8E%E5%B0%8F%E7%90%83%E7%9A%84%E5%8A%A0%E9%80%9F%E5%BA%A6.)
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