25.如图所示,悬挂在轻质杠杆两端的铁块和铜块分别浸没在水和油中处于静止状态,杠杆水平平衡.AO:OB为2:3.铁块体积为V铁,密度为ρ铁,所受重力为G铁,浮力为F铁,铁块所受细线的拉力大小为T
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![25.如图所示,悬挂在轻质杠杆两端的铁块和铜块分别浸没在水和油中处于静止状态,杠杆水平平衡.AO:OB为2:3.铁块体积为V铁,密度为ρ铁,所受重力为G铁,浮力为F铁,铁块所受细线的拉力大小为T](/uploads/image/z/6686578-10-8.jpg?t=25%EF%BC%8E%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E6%82%AC%E6%8C%82%E5%9C%A8%E8%BD%BB%E8%B4%A8%E6%9D%A0%E6%9D%86%E4%B8%A4%E7%AB%AF%E7%9A%84%E9%93%81%E5%9D%97%E5%92%8C%E9%93%9C%E5%9D%97%E5%88%86%E5%88%AB%E6%B5%B8%E6%B2%A1%E5%9C%A8%E6%B0%B4%E5%92%8C%E6%B2%B9%E4%B8%AD%E5%A4%84%E4%BA%8E%E9%9D%99%E6%AD%A2%E7%8A%B6%E6%80%81%2C%E6%9D%A0%E6%9D%86%E6%B0%B4%E5%B9%B3%E5%B9%B3%E8%A1%A1.AO%EF%BC%9AOB%E4%B8%BA2%EF%BC%9A3.%E9%93%81%E5%9D%97%E4%BD%93%E7%A7%AF%E4%B8%BAV%E9%93%81%2C%E5%AF%86%E5%BA%A6%E4%B8%BA%CF%81%E9%93%81%2C%E6%89%80%E5%8F%97%E9%87%8D%E5%8A%9B%E4%B8%BAG%E9%93%81%2C%E6%B5%AE%E5%8A%9B%E4%B8%BAF%E9%93%81%2C%E9%93%81%E5%9D%97%E6%89%80%E5%8F%97%E7%BB%86%E7%BA%BF%E7%9A%84%E6%8B%89%E5%8A%9B%E5%A4%A7%E5%B0%8F%E4%B8%BAT)
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