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1J40.81 - Structural Stability of Triangles

​1J40.81 - Structural Stability of Triangles

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    Title1J40.81 - Structural Stability of Triangles
    Objective

    ​Demonstrate the strength of triangular structures

    StatusAvailable
    Assembly Instructions

    ​Obtain the collapsing triangular apparatus, its two ropes, and wooden post attachment.

    Setup Time0
    Operation Time0
    Preview Time0
    Operation Instructions

    ​Show the students that an unsupported structure is easily collapsable by forces applied diagonally from opposite corners.

    Attach 1 rope to opposite corners and show the students the rigidty in one of the directions and lack of rigidity in the other, ropeless direction.

    Attach both ropes to opposite corners and show that the structure is now uncollapsable.

    Remove ropes and attach wooden post attachment to opposite corners. Show it has equal rigidity to both ropes because compressive forces and be providided by the wooden piece.

    ExportableYes
    Demo on DimeNo
    PIRA 200No
    Export Instructions (if different)
    HazardsNone
    Analysis/Information
    Category1 Mechanics
    Subcategory1J - Statics of Rigid Bodies
    Keywords
    Construction Information
    		 
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    DemonstrationUse SHIFT+ENTER to open the menu (new window).
      
    5C10.10 - Examples of Capacitors
    5C10.20 - Effect of a Dielectric and Spacing on a Capacitor
    5C10.u1 - Potential voltage rise in a parallel plate capacitor
    5C10.u2 - Variable Parallel Plate Capacitor
    Equipment TitleUse SHIFT+ENTER to open the menu (new window).
      
    QuantityUse SHIFT+ENTER to open the menu (new window).
      
    Collapsing Triangle Apparatus
    1
    Ropes - 1 ft
    2
    Wooden Post Attachment
    1