Exercise 1.1: Intro to Mechanical Devices

Part 1

Go to the Canadian Museum of Civilization virtual exhibition on the construction of the Egyptian Pyramids at this link

http://www.civilization.ca/cmc/exhibitions/civil/egypt/egca12e.shtml

Question 1 - Identify two main obstacles workers had to overcome to construct this monument.

Question 2 - Identify three simple machines that the workers might have used to build The Great Pyramid of Giza in Egypt.

Part 2

Go to the "How Tower Cranes Work" web site and read about these amazing mechanical devices.

http://www.deckrane.com/info/towercrn.pdf

Question 3 - Why doesn't a tower crane fall over when it lifts a heavy load?

Question 4 - What types of buildings are usually built with tower cranes?