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Questions for Discussion: Raising an Obelisk: An Engineering Puzzle

  • What is the role of the deep groove on the side of the obelisk's pedestal?
  • What did the first team think was its mistake?
  • How do you think using a model was helpful to the first team of engineers?
  • Why did the second team use sand? What force of nature played a role?
  • Do you think a model could have been helpful to the engineers using the second method? How?
  • Was the theory behind either of the ways to raise an obelisk incorrect?