自由落体steemCreated with Sketch.

in #steempress5 years ago (edited)

人类对于自然界的认识是逐步深入的,这同时也是一个不断挑战权威,否定权威的过程。自由落体的运动规律,在高中物理里面就学过了。一句话说,就是一个在重力加速度作用下的匀加速直线运动过程。我们现在看起来很简单,十几岁的高中生都会。可这种现在看上去异常简单的东西,也是前人用了很长很长时间才弄明白的。小学语文里学过一篇课文,《两个铁球同时着地》,讲的就是伽利略对自由落体的研究,同时也是他挑战亚里士多德这种人们公认的大咖的过程。所以,人们追求真理的过程,也是一个对前人不断否定,不断改进的过程,人类社会就是这样一点点的逐渐进步。

物理学上的自由落体很容易弄明白,有些东西自由落体却让人发愁。看看火币上Steem/USDT的月线图,真乃名副其实的自由落体。按照牛顿力学,物体运动都有惯性,不知Steem的这种自由落体还会顺着惯性滑多久。从这个趋势上看,再继续落下去也并非不可能,也就是说,这个铁球可能现在还没着地呢。



Posted from my blog with SteemPress : https://steemitsoftmetal.000webhostapp.com/2019/10/%e8%87%aa%e7%94%b1%e8%90%bd%e4%bd%93
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