A Complete Collection of 100000 Whys
Fav十万个为什么
为什么重力使物体下落？
1、重力是地球对物体的吸引力，这种力使得物体总是朝向地球中心移动，因此物体下落。
2、根据牛顿的万有引力定律，任何两个物体之间都存在相互吸引力，重力是地球对物体这种吸引力的具体表现。
3、重力加速度是一个常数，约为9.8米/秒²，这意味着在地球上，所有物体下落的加速度都是相同的，无论它们的重量如何。
4、重力使物体下落是因为物体具有质量，质量越大，受到的重力就越大，但下落的加速度仍然相同。
5、在没有其他外力（如空气阻力）的情况下，物体下落的速度会不断增加，直到达到终端速度。
总之，重力使物体下落是因为地球对物体的吸引力，这种力使得物体总是朝向地球中心移动，所有物体在地球上都会受到相同重力加速度的影响。
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