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第59章 答疑书库(2 / 2)

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那个不倒翁是一个蛋壳和纸张做成的兔爷不倒翁。一压它,它就会歪,但是不倒,一松手,它就晃动着,就是一直不倒。小桂有时候抓竹蜻蜓累了,就盯着桌子上的不倒翁,用手拨来拨去。

“公子,这个不倒翁,为什么不会倒啊?”小桂又开始了,公子无奈地摇摇头,还是认真地为她解答“这个不倒翁,你认真看看,它的底部是什么样的?”“圆形的,鼓鼓的。”“对,这个圆形的底部,可以帮助它转动。而这里面一些泥沙是帮助它保持重心在靠下的地方,靠中间的地方。而且它的结构上上半部分非常轻,而下半部分很重。这样才能保证它不倒,或者倒了能立刻站起来。”

“哇塞,这可真是太玄妙啦!”小桂瞪大眼睛,满脸都是惊叹之色,口中更是连连发出由衷的赞叹之声。他紧紧地盯着眼前的场景,仿佛被一股神秘而强大的力量所吸引住了一般,整个人都沉浸在了其中。

稍稍平复了一下激动的心情之后,小桂像是突然想到了什么似的,开口问道:“公子,您之前教我练武的时候,总是叮嘱我下盘一定要稳,重心也要尽量放得低一些,是不是就是因为这个原理呀?如果按照您说的去做,就能够像现在这样保持平衡,不会轻易摔倒呢。”说完,小桂满怀期待地看向公子,等待着对方给出答案。

听到小桂的这番话,公子微微一笑,眼中闪过一丝赞赏之意,点头说道:“没错,小桂,你能想到这点很不错哦,已经学会举一反三啦!正是因为如此,如果我们在下盘稳固、重心较低的情况下,身体就能更好地承受外力冲击和自身的重量分布,从而大大降低摔倒的风险。所以在练武时,这一点可是非常重要的哟!”说着,公子还轻轻地拍了拍小桂的肩膀,表示鼓励。

本小章还未完,请点击下一页继续阅读后面精彩内容!“那竹蜻蜓为什么能飞上天呢?”只见小桂眨巴着那双充满求知欲的大眼睛,像个好奇宝宝一样再次发出了疑问。

听到小桂的问题,一旁的人微笑着解释道:“这其实有两个关键原因哦!首先,你回想一下自己玩耍时的感受,是不是觉得竹蜻蜓特别轻巧呀?正是由于它自身重量很轻,没有太多负担,这样才能更容易地飞上天去哟。就好像我们想要跳得更高,如果身上背着重重的包袱,肯定会受到影响对吧?而竹蜻蜓就是凭借着这份轻盈,为飞翔奠定了良好的基础呢。”

顿了顿后,那人接着说道:“其次啊,竹蜻蜓之所以能够成功起飞,还多亏了它那个神奇的螺旋桨啦。当你转动竹蜻蜓的时候,螺旋桨就开始快速地旋转起来。随着螺旋桨不断地转动,它会产生一股强大的向下气流。可别小瞧这股气流哦,根据物理学原理,它同时也会给予竹蜻蜓一个向上的反作用力,这个反作用力有个专门的名字叫做‘升力’。正是靠着这个升力,竹蜻蜓才有足够的力量摆脱地心引力的束缚,自由自在地飞向天空啦!”

“哇塞,真厉害啊!”小桂满脸谄媚之色,眼睛里闪烁着崇拜的光芒,毫不吝啬地拍起了马屁来。那副模样简直就像是见到了心目中最伟大的英雄一般。

而那位被称为公子的人呢,其实心里跟明镜儿似的,清楚得很,这小桂不过是在阿谀奉承罢了。然而,即便如此,每当听到这样的赞美之词时,他还是会忍不住心中暗喜,脸上也不自觉地浮现出一抹得意的笑容来。没办法呀,谁让他就是这么爱听这些好话呢?而且越是夸张、越是肉麻的吹捧,似乎就越能让他感到满足和愉悦。所以说,哪怕明知道对方只是在溜须拍马,这位公子却依旧非常受用。

喜欢花妖小桂请大家收藏:花妖小桂本站更新速度全网最快。

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