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3 Kwahak 구조2

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  • the quality of an object
    property
  • Paper plane : construction technique ( folding/ braiding/ adding layers) to improve (strength/ stability)
    folding/ stability
  • A ( lower/higher ) centre of gravity give more stability
    Lower 
  • What is an arch bridge?
    a curved, symmetrical structure
  • Which shape have more stability than others?
    triangle
  • A ( slimmer/ wider) base structure has more stability
    wider
  • What is durable material mean and give an exmaple
    long-lasting brick
  • ability to maintain balance and position
    stability
  • What kind of bridge? it supported by ( ) attached to towers
    suspension brdige / cables
  • What kind of bridge? how it works?
    arch bridge. it equally supports every point of the arch
  • a point where the total mass of an object is concentrated
    centre of gravity
  • What is flexible material mean?
    a material that can bend without damage and then return to its original shape
  • Anything used to make a structure
    Material
  • 4 different type of bridges
    beam/ truss/ arch/ suspension bridge
  • What is a beam bridge?
    a long, straight structure spanning a gap
  • Wood doorway Construction technique ( folding/ braiding/ adding layers) to improve (strength/ stability)
    adding layers / strength
  • Which material is more flexible? Glass/plastic
    plastic
  • Rock bridge: Construction technique ( folding/ braiding/ adding layers) to improve (strength/ stability)
    adding layers / stability
  • What is positivie and negative effects of each strucutre? Building homes/ hydroelectric dam
    Pros: provide space for people to live, providing electricity. Cons: destrcution of animal habitat, disrupting the migration of fish
  • Swing rope Construction technique ( folding/ braiding/ adding layers) to improve (strength/ stability)
    braiding/ strength
  • what is cable?
    thick rope of wire
  • what type of bridge has triangular supports?
    truss
  • Ability to support a load
    strength
  • What kind of bridge? The bridge strengthened by what kind of support?
    Truss/  Tringular strength
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