一个边长为5厘米的正方体,重为10N,问在下列三种情况下,正方体对支持面的压强各是多少?(1)将它放在面积为50平方厘米的水平桌面的中心上.(2)将它放在面积为20平方厘米的水平桌面的中
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![一个边长为5厘米的正方体,重为10N,问在下列三种情况下,正方体对支持面的压强各是多少?(1)将它放在面积为50平方厘米的水平桌面的中心上.(2)将它放在面积为20平方厘米的水平桌面的中](/uploads/image/z/13344839-71-9.jpg?t=%E4%B8%80%E4%B8%AA%E8%BE%B9%E9%95%BF%E4%B8%BA5%E5%8E%98%E7%B1%B3%E7%9A%84%E6%AD%A3%E6%96%B9%E4%BD%93%2C%E9%87%8D%E4%B8%BA10N%2C%E9%97%AE%E5%9C%A8%E4%B8%8B%E5%88%97%E4%B8%89%E7%A7%8D%E6%83%85%E5%86%B5%E4%B8%8B%2C%E6%AD%A3%E6%96%B9%E4%BD%93%E5%AF%B9%E6%94%AF%E6%8C%81%E9%9D%A2%E7%9A%84%E5%8E%8B%E5%BC%BA%E5%90%84%E6%98%AF%E5%A4%9A%E5%B0%91%3F%EF%BC%881%EF%BC%89%E5%B0%86%E5%AE%83%E6%94%BE%E5%9C%A8%E9%9D%A2%E7%A7%AF%E4%B8%BA50%E5%B9%B3%E6%96%B9%E5%8E%98%E7%B1%B3%E7%9A%84%E6%B0%B4%E5%B9%B3%E6%A1%8C%E9%9D%A2%E7%9A%84%E4%B8%AD%E5%BF%83%E4%B8%8A.%EF%BC%882%EF%BC%89%E5%B0%86%E5%AE%83%E6%94%BE%E5%9C%A8%E9%9D%A2%E7%A7%AF%E4%B8%BA20%E5%B9%B3%E6%96%B9%E5%8E%98%E7%B1%B3%E7%9A%84%E6%B0%B4%E5%B9%B3%E6%A1%8C%E9%9D%A2%E7%9A%84%E4%B8%AD)
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