Exercise 2.3: Internal Forces Within Structures

1. When you walk tightrope, what forces are acting on the rope?

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2. When you pull an elastic band too far and it snaps, what force causes it to break?

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3. When you bounce on the bed, what force is acting on the springs?

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4. When you wring out a towel to dry it, what internal forces are being applied?

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5. How do scissors work to cut a piece of paper? What forces are involved?

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6. Watch the video below titled “Rip a phonebook in half with your bare hands.” What forces are being used to tear the phonebook?

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