揭秘扫帚独立竖立真相,到底是什么原因让扫帚直立?-看世界

揭秘扫帚独立竖立真相,到底是什么原因让扫帚直立?

最近网络上热传一条消息称:“2月7日(也许是8日、9日、10日、11日或者其他时间)是个特殊的日子,美国宇航局NASA曾经说过这一天地球的引力最小,所以扫帚能够站起来。”很快各大社交媒体就被先关的消息刷屏,那么扫帚独立竖立的真相是什么呢?

"February 7 (maybe 8, 9, 10, 11 or other times) is a special day, NASA once said that the earth's gravity is the smallest, so the broom can stand up," said a hot message on the Internet recently Soon the social media will be swiped by the first closed news, so what is the truth of the broom standing on its own?

我们网上搜索了和“NASA 扫帚”相关的讯息,可是这只有论坛上的消息,并没有NASA官方的消息。好吧,如果NASA真的说过这样的话,那么一定就会有英文材料。

We searched the Internet for information related to "NASA broom", but this is only the information on the forum, there is no official NASA information. Well, if NASA really said that, there would be English materials.

但是搜索的结果中,更多的只有扫帚星云和用激光扫帚消除太空碎片的项目。  这件事情和美国的一个老笑话相关,美国认为春天开始的时候引力最小,能够让扫帚直立。而Reddit(美国著名的论坛)上的其他研究结果表明,扫帚的奇怪行为与2017年的日食有关,也就是说,对于扫帚直立有着不同的日子和不同的解释。  那么,到底是什么原因让扫帚直立呢?

But the results of the search are more about the broom nebula and the use of laser brooms to remove space debris. It's related to an old joke in the United States, which believes that spring starts with the least gravity, allowing the broom to stand upright. Other research results on reddit show that the strange behavior of brooms is related to the solar eclipse in 2017, that is to say, there are different days and different explanations for the upright brooms. So, what is the reason for the broom to stand upright?

首先,它不是因为行星的排列或者地球的自转。美国的《连线》杂志曾经进行过计算,离地球最近的金星和太阳系中质量最大的木星,它们施加的引力(10-8 N)都要远远小于地球对扫帚的引力(约10N),根本不可能起到让扫帚直立的作用。  那么是什么让扫帚直立呢?  其实这个问题很简单,因为扫帚的重心比扫帚柄的高点更靠近底部扫帚毛。 你可以试着把扫帚水平地放在手指上,就好像跷跷板一样,以此来测试扫帚的重心。  所以当你把扫帚毛劈开,重心自然就在距离底部很近的地方,并不难找到一个稳定的点。如果扫帚是新的,扫帚毛又直又硬,想要支撑这个重心就更简单了。  因为任何东西倒下,原因都是重心没有支撑,只要重心有支撑,一切问题就迎刃而解。  所以,所谓的扫帚挑战,其实只是考验你寻找重心的能力和耐心,和NASA可没有一丁点儿的关系。

First, it's not because of the alignment of the planets or the rotation of the earth. The United States' Wired magazine once calculated that Venus, the nearest planet to the earth, and Jupiter, the largest mass in the solar system, exert far less gravity (10-8n) than the earth's gravity (about 10N) on the broom, which is impossible to make the broom stand upright. So what makes a broom stand upright? In fact, the problem is very simple, because the center of gravity of the broom is closer to the bottom broom hair than the high point of the broom handle. You can test the center of gravity of the broom by placing it horizontally on your fingers, like a seesaw. So when you split the broom hair, the center of gravity is naturally close to the bottom, and it's not hard to find a stable point. If the broom is new and the hair is straight and hard, it's easier to support the center of gravity. Because everything falls, the reason is that the center of gravity has no support. As long as the center of gravity has support, all problems will be solved. So, the so-called broom challenge is just a test of your ability and patience to find the center of gravity. It has nothing to do with NASA.

扫帚独立竖立真相,只不过是一个美丽的谎言。或者说,整天宅在家里的大家都已经要疯了。

It's just a beautiful lie that a broom stands on its own. In other words, people who stay at home all day are going crazy.

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