Weight on a String

Consider the situation of a beam supporting a weight in the center. Variables include:
- the dimensions of the beam: length (L), breadth (B), and thickness (t)
- the amount of weight supported (W) (also called the "load")
- the amount by which the beam bends (y) (called "deformation")

Beam Deformation

Subject: Algebra
Topics:
- Expressions and Equations
- Powers, Roots and Scientific Notation
Grades: 9 - 12
Knowledge and Skills:
- Can evaluate expressions by substituting values for variables
- Can simplify expressions using correct order of operations
- Understands the function of grouping symbols in an expression
- Understands the concept "root"

Download Teacher Guide: Weight on a String (PDF)
Download Student Activity: Weight on a String (PDF)

Algebra in the Real World Movie:

The Space SlingThe Space Sling

It's been described as "using the techniques of Tarzan" to move things through outer space. It's reusable and would dramatically reduce the cost of space missions.
Running time 5:19 minutes.

Watch the Movie