A Complete Collection of 100000 Whys
Fav十万个为什么
为什么苹果会下落？
1、苹果受到地球的引力作用，地球的引力将苹果向下拉。
2、引力是自然界中的一种基本力，它使得物体相互吸引，苹果也不例外。
3、苹果下落的速度会逐渐加快，因为地球的引力始终在作用。
4、如果没有空气阻力，所有物体下落的速度都是相同的，这就是伽利略的落体实验结论。
5、苹果的密度比空气大，所以它会迅速穿过空气并下落到地面。
总之，苹果会下落是因为地球的引力作用，这是物理学中的基本现象，也是我们对宇宙运动规律理解的重要基础。
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