第42章物理之阻力
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男子随手掐死大雕，扔给黎阳。
“羽毛有了，如果你制造不出你口中所说的木箭，我就掐死你！”
“呃……”
黎阳很是冤枉。
他只是想制造一根木箭而已！
怎么到头来，还和自己的生死牵扯上！
黎阳看了一眼眼前这青衣男子，显然也不是什么讲道理的人！
他就懒得辩驳。
“前辈请稍等！”
黎阳拔掉大雕的一根长长羽毛，他起身离开。
青衣男子也不怕黎阳跑掉！
黎阳也不敢跑以刚才这青衣男子的情况，他估计跑不掉！
母神啊母神，您可千万要保住我呀！
黎阳心中向母神祈祷着，带着羽毛去寻找自己想要的另外一件东西。
细丝。
想要把羽毛弄在木箭尾部，在前世用胶水粘一下就行。
而在洪荒，他可弄不来胶水。
黎阳从众多藤蔓处薅掉一根细小藤蔓！
他比量一番，绑上去刚刚好。
带着细藤蔓回去。
黎阳也不管青衣男子，刚刚几声前辈算是白叫了。
青衣男子也不开口，站在一旁静静的看着黎阳。
他就见这人族把羽毛用石斧劈开，然后绑在那木箭上方！
他几次开口想要询问，最终还是作罢没开口！
没多久，他就见这人族似乎弄好了。
“这尾巴上绑羽毛有什么作用？”
最终青衣男子还是忍不住心头好奇，开了口。
“光秃秃木箭在分出去的时候，它尾巴不平衡，添加羽毛可以增加空气中的阻力！”
说到阻力，黎阳停顿一下。
“你知道阻力吗？”
青衣男子皱眉：“阻力？”
“前辈，阻力就是……您走路时，大地给你的力！”
“荒谬！我走路是我自己的力，怎么就是大地给我的力？”
黎阳唯恐这青衣男子一巴掌巴拍死自己，他急忙道：“前辈先别生气，您听我细细讲！”
“您看，您走路的时候，脚踩在这大地上！您给大地是一个踩的力，而大地不动阻止了您的力，它不就是给了您一个相反得力？”
“这样……”
黎阳拿出一块木板，然后用两根手指放在上面。
“这两根手指，好比您的脚！木板相当于大地！我用两指发力踩下去想要往前走！”
“如果木板不给我力，我踩它，它就陷下去！两根手指就不能朝前走动……这就是阻力！”
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