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The structure principle of bow and arrow
来源: | 作者:Kobukuro | 发布时间: 15天前 | 26 次浏览 | 分享到:
The structure principle of bow and arrow

Bows and arrows are composite long-range weapons. It is composed of two independent parts, namely a bow and an arrow. The arrow is also called a arrow or a chain. "The shooter, the bowstring sends the arrow." The bow and arrow use the principle of material elastic potential energy by combining the human's own strength and the elastic force of the object, so that the arrowhead shoots far away to achieve the purpose of shooting the target. The invention of the bow and arrow is a major advancement in human technology. It shows that people have understood the principle of using machinery to store energy: when people pull the string to force the bow to deform, they store their own energy; let go, the bow The body quickly returned to its original shape; at the same time, the stored energy was violently released, and then the arrow on the string was ejected forcefully.