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calculusxy

  • one year ago

MEDAL!!! What do you know about the properties of triangles and rectangles that makes the design better than the one below?

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  1. calculusxy
    • one year ago
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  2. calculusxy
    • one year ago
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    @jim_thompson5910 @ybarrap

  3. jim_thompson5910
    • one year ago
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    I don't fully understand what they are asking here? Is this an engineering problem?

  4. calculusxy
    • one year ago
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    Oh sorry let me post you the rest of the problem.

  5. calculusxy
    • one year ago
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    |dw:1436916550442:dw|

  6. calculusxy
    • one year ago
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    |dw:1436916692169:dw|

  7. ybarrap
    • one year ago
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    Imagine forces in the x-direction (i.e. lateral force). Which would be able to support this better? |dw:1436916709996:dw|

  8. ybarrap
    • one year ago
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    For the rectangular structure, any lateral support is provided by the joints. In the triangular structure, this support is provided by the joints but also by the diagonal segments. I have drawn arrow to show some of the vector forces.

  9. calculusxy
    • one year ago
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    How do you know if something has lateral support or not?

  10. ybarrap
    • one year ago
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    Resolve forces into the x and y direction. These forces need to be transmitted from the base to the upper supports. No x-forces can be supported by the segments in the rectangular structure.

  11. calculusxy
    • one year ago
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    So can you just say that with like eighth grade vocabulary?

  12. ybarrap
    • one year ago
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    |dw:1436917233811:dw|

  13. ybarrap
    • one year ago
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    |dw:1436917324250:dw|

  14. calculusxy
    • one year ago
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    So what property would that carry?

  15. ybarrap
    • one year ago
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    I'm not sure what properties you are learning. Geometrically, a triangle is is a more \(stable\) structure.

  16. calculusxy
    • one year ago
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    Okay thank you. I have two physics question. Can you can help me with them?

  17. ybarrap
    • one year ago
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    ok

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