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一、问题的提出如图1所示,在杂技表演中,经常可以看到这样的现象,在一卧躺的人胸口上放一块大石板,另一人将铁锤举到高处并猛敲石板,随着铁锤落下,卧躺的人身上的石板被敲得粉碎,而人却毫发未损,并突然腾空一跃,站稳以后,深深吸了一口气,然后向大家挥手,现场顿时响起热烈的掌声。是表演者身怀绝技、有特异功能吗?二、物理原理
First, the issue raised As shown in Figure 1, acrobatic performances, you can often see such a phenomenon, lying on the chest in a lying lying on a large stone slab, the other will lift the hammer to the heights and hit the flag , With the hammer down, lying on the body of the stone was knocked smashed, but people are intact, and suddenly vacated, firm, took a deep breath, and then waving to everyone, the scene suddenly Warm applause sounded. Is the performer with performers, has a special function? Second, the physical principle