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鸡蛋为什么会在盐水中浮起来

更新时间: 2021-05-02 18:48:50     

1、由于鸡蛋的密度小于盐水的密度,所以鸡蛋会浮在盐水的上面。当向盐水中加清水时,盐水的密度就会不断减小,当盐水的密度小于鸡蛋的密度时,鸡蛋就会下沉。

2、从力和运动的关系来解释:鸡蛋浸没在水中时,所受的浮力小于重力,所以鸡蛋下沉。

关键词: 鸡蛋 为什么 盐水 起来

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