The opening photo in this chapter shows a favorite demonstration of author Paul Hewitt lying on his

Question:

The opening photo in this chapter shows a favorite demonstration of author Paul Hewitt lying on his back with a blacksmith€™s anvil placed on his chest. When assistant Will Maynez whacks the anvil with a strong sledgehammer blow, Hewitt is not injured. How is the physics here similar to that illustrated in Figure 1.8 (the girl with a stack of books on her head)?

Figure 1.8

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