杯里有水银,上面浮着个铅球,现向里面加水,问铅球相对液面上浮了还是下沉了还是不变.仔细想过再回答,水究竟给不给球浮力,一个半球,下表面光滑,压在杯底,然后加水,问球受多大力
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/09 22:34:19
![杯里有水银,上面浮着个铅球,现向里面加水,问铅球相对液面上浮了还是下沉了还是不变.仔细想过再回答,水究竟给不给球浮力,一个半球,下表面光滑,压在杯底,然后加水,问球受多大力](/uploads/image/z/7977494-38-4.jpg?t=%E6%9D%AF%E9%87%8C%E6%9C%89%E6%B0%B4%E9%93%B6%2C%E4%B8%8A%E9%9D%A2%E6%B5%AE%E7%9D%80%E4%B8%AA%E9%93%85%E7%90%83%2C%E7%8E%B0%E5%90%91%E9%87%8C%E9%9D%A2%E5%8A%A0%E6%B0%B4%2C%E9%97%AE%E9%93%85%E7%90%83%E7%9B%B8%E5%AF%B9%E6%B6%B2%E9%9D%A2%E4%B8%8A%E6%B5%AE%E4%BA%86%E8%BF%98%E6%98%AF%E4%B8%8B%E6%B2%89%E4%BA%86%E8%BF%98%E6%98%AF%E4%B8%8D%E5%8F%98.%E4%BB%94%E7%BB%86%E6%83%B3%E8%BF%87%E5%86%8D%E5%9B%9E%E7%AD%94%EF%BC%8C%E6%B0%B4%E7%A9%B6%E7%AB%9F%E7%BB%99%E4%B8%8D%E7%BB%99%E7%90%83%E6%B5%AE%E5%8A%9B%EF%BC%8C%E4%B8%80%E4%B8%AA%E5%8D%8A%E7%90%83%EF%BC%8C%E4%B8%8B%E8%A1%A8%E9%9D%A2%E5%85%89%E6%BB%91%EF%BC%8C%E5%8E%8B%E5%9C%A8%E6%9D%AF%E5%BA%95%EF%BC%8C%E7%84%B6%E5%90%8E%E5%8A%A0%E6%B0%B4%EF%BC%8C%E9%97%AE%E7%90%83%E5%8F%97%E5%A4%9A%E5%A4%A7%E5%8A%9B)
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