Feather Weight Challenge

1
Feather Weight Challenge

• Design, construct, test and evaluate the lightest
  weight structure that will hold the water
  container suspended from the tester.

2
Basic Vocabulary

• All physical objects have a structure.
• Part or parts of a building that actually hold it
  up and give it shape.
• Your skeleton structure for your body
• What are the structural elements of a building?
• Cannot be removed without damaging the
  strength/shape of a building

3
Stress

• Forces of gravity, wind and weight
• Other things that push and pull on a building
• If structural parts arent strong enough to
  withstand stress structure will fail
• Dead load weight of the building
• Live load weight of objects go in and out of the
  building

4
Tension

• Major kind of stress
• Involves pulling and stretching
• Tensile cables have to be stretched taut to have
  structural strength
• Material tends to become longer

5
Compression

• Pressing, pushing, and squeezing
• Material tends to become shorter