Gr. 7- Structures & Forces: Section 2.4

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5 questions

2.4 Designing Structures to Resist Forces and Maintain Stability

10

The Seven Wonders of the Ancient World are shown on page 300 of your text book. Some of them lasted a very long time. Look closely at the illustrations. List the structures by name and then, for each one, record anything about the shape that you think helped it withstand the forces acting on it.

6

We have talked about different shapes that make up structures. Which three shapes make up the most structures? and which shape is the strongest out of those three shapes? Why is this shape the strongest? (pg. 301)

10

There are "three" structural components listed on pgs. 302 & 303 (light blue headings). List them and provide a brief description of each one. In the show your work area draw each one.

6

What is the difference between strucutural stress, structural fatique, and structural failure? (pg. 303)

10

What are the four forms of strucutral failure that we have discussed? (pg. 303). Illustrate each one.