生鸡蛋和熟鸡蛋哪个滚得久,哪个转得久? 为什么???

2025-03-15 15:41:19
推荐回答(3个)
回答1:

熟鸡蛋是固体,你用手转它一下,可以把整个鸡蛋都带动起来,而生鸡蛋里是液体,用手转动是里面比外面转的慢,在相同角初速度下,熟鸡蛋内外都是这个速度,而生鸡蛋里小于这个速度,所以熟鸡蛋动能就较大,转的久,
反过来,你用手转鸡蛋,足够长时间,使生鸡蛋内外同速,哪么生鸡蛋滚得比熟鸡蛋久,因为同一张桌子上,对于同一重量和外壳的鸡蛋,摩擦力是一样的,而
熟鸡蛋是固体,摩擦力同时对整个鸡蛋起作用,生鸡蛋是液体,可以滑动,所以内部的摩擦少,可以滚久一点。

回答2:

生鸡蛋先停.
这是利用惯性的知识。
熟鸡蛋,内部物质已经凝固与外界构成一个整体,所以当你对鸡蛋施力,整体就会改变原来的静止状态从而发生转动,此转动过程时间是比较长的。
生鸡蛋,内部为液态物质。当蛋壳受力发生转动,内部液体由于惯性要保持原来的静止状态,从而使转动的鸡蛋很快停止下来。
所以转的时间久的是熟鸡蛋,转的时间短的是生鸡蛋

回答3:

熟鸡蛋转得久,生鸡蛋里面是液体滚动起来重心容易失衡,而烧熟后里面成固态较先前更稳了

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