A Complete Collection of 100000 Whys
Fav十万个为什么
为什么重力作用？
1、重力是由于物体具有质量而产生的相互吸引力，这是牛顿万有引力定律的基本原理。
2、地球的质量非常大，因此它对周围的小物体产生显著的引力，使物体向地面坠落。
3、重力不仅作用于地球上的物体，还作用于宇宙中的所有物体，包括行星、恒星和星系。
4、重力是宇宙中的一种基本力，它影响着天体的运动和宇宙的结构，例如行星绕恒星旋转。
5、重力与质量成正比，与距离的平方成反比，这意味着质量越大、距离越近，引力越强。
总之，重力是物体之间由于质量而产生的自然吸引力，它解释了为什么物体会下落以及天体如何运动。
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