质量为M的光滑圆槽水平面上圆槽内放一质量为m的小球,如图.(接上)现用水平作用在圆槽上,小球与圆槽相对静止时,小球对圆槽压力为多少?图:
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![质量为M的光滑圆槽水平面上圆槽内放一质量为m的小球,如图.(接上)现用水平作用在圆槽上,小球与圆槽相对静止时,小球对圆槽压力为多少?图:](/uploads/image/z/939045-21-5.jpg?t=%E8%B4%A8%E9%87%8F%E4%B8%BAM%E7%9A%84%E5%85%89%E6%BB%91%E5%9C%86%E6%A7%BD%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%E5%9C%86%E6%A7%BD%E5%86%85%E6%94%BE%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BAm%E7%9A%84%E5%B0%8F%E7%90%83%2C%E5%A6%82%E5%9B%BE.%EF%BC%88%E6%8E%A5%E4%B8%8A%EF%BC%89%E7%8E%B0%E7%94%A8%E6%B0%B4%E5%B9%B3%E4%BD%9C%E7%94%A8%E5%9C%A8%E5%9C%86%E6%A7%BD%E4%B8%8A%2C%E5%B0%8F%E7%90%83%E4%B8%8E%E5%9C%86%E6%A7%BD%E7%9B%B8%E5%AF%B9%E9%9D%99%E6%AD%A2%E6%97%B6%2C%E5%B0%8F%E7%90%83%E5%AF%B9%E5%9C%86%E6%A7%BD%E5%8E%8B%E5%8A%9B%E4%B8%BA%E5%A4%9A%E5%B0%91%3F%E5%9B%BE%EF%BC%9A)
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