Strap Stress

When force is applied to a material, it will usually cause the material to change shape, even if just a little bit. In such a situation, the force that is applied is called “stress,” and the change of shape of the material is called “strain.”

Subject: Algebra; Science
Topics:
- Physical Science (Forces)
- Patterns, Relations and Functions
Grades: 7 - 10
Concepts:
- Stress
- Strain
Knowledge and Skills:
- Can relate aspects of a graphical model to the real world situation which is being modeled

Download Activity: Strap Stress (PDF)

Algebra in the Real World Movie:

The Backpack DesignerThe Backpack Designer

Columbia Sportswear Designer Chris Araujio combines innovation with design to create backpacks for one of the largest outdoor apparel companies in the world. Whether he's measuring the straps for comfort or designing the shape of the front pouch, math is essential to his designs.
Running time 4:50 minutes.

Watch the Movie