Feather Weight Challenge by dffhrtcv3

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									Feather Weight Challenge


 Design, construct, test and evaluate
 the lightest weight structure that will
 hold the water container suspended
 from the tester.
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
Stress
 Forces of gravity, wind and weight
 Other things that push and pull on a
  building
 If structural parts aren’t 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
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
Compression
 Pressing, pushing, and squeezing
 Material tends to become shorter

								
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