支架由杆件AB,CD用销钉O铰接而成.现将支架对称地置于倾角为β的斜面上,志气重量为G的圆柱,如图所示.已知圆柱与构件接触点到O点的距离EO=FO=0.5AO=0.5CO,各构件的自重和接触处的摩擦忽略不计,
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![支架由杆件AB,CD用销钉O铰接而成.现将支架对称地置于倾角为β的斜面上,志气重量为G的圆柱,如图所示.已知圆柱与构件接触点到O点的距离EO=FO=0.5AO=0.5CO,各构件的自重和接触处的摩擦忽略不计,](/uploads/image/z/14060181-21-1.jpg?t=%E6%94%AF%E6%9E%B6%E7%94%B1%E6%9D%86%E4%BB%B6AB%2CCD%E7%94%A8%E9%94%80%E9%92%89O%E9%93%B0%E6%8E%A5%E8%80%8C%E6%88%90.%E7%8E%B0%E5%B0%86%E6%94%AF%E6%9E%B6%E5%AF%B9%E7%A7%B0%E5%9C%B0%E7%BD%AE%E4%BA%8E%E5%80%BE%E8%A7%92%E4%B8%BA%CE%B2%E7%9A%84%E6%96%9C%E9%9D%A2%E4%B8%8A%2C%E5%BF%97%E6%B0%94%E9%87%8D%E9%87%8F%E4%B8%BAG%E7%9A%84%E5%9C%86%E6%9F%B1%2C%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA.%E5%B7%B2%E7%9F%A5%E5%9C%86%E6%9F%B1%E4%B8%8E%E6%9E%84%E4%BB%B6%E6%8E%A5%E8%A7%A6%E7%82%B9%E5%88%B0O%E7%82%B9%E7%9A%84%E8%B7%9D%E7%A6%BBEO%3DFO%3D0.5AO%3D0.5CO%2C%E5%90%84%E6%9E%84%E4%BB%B6%E7%9A%84%E8%87%AA%E9%87%8D%E5%92%8C%E6%8E%A5%E8%A7%A6%E5%A4%84%E7%9A%84%E6%91%A9%E6%93%A6%E5%BF%BD%E7%95%A5%E4%B8%8D%E8%AE%A1%2C)
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