Bridges ∑ F= 0 acloutier copyright 2011 Conceptual Physics

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Conceptual Physics class project Spring 2011
Lab construction of bridges, showing vectors, tension and force applied to real structures.

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Bridges ∑ F= 0 acloutier copyright 2011 Conceptual Physics

  1. 1. BRIDGES ∑ F = 0Sum of Forces equal zeroConceptual Physics Lab acloutier 2011 copyright <br />Suspension, beam, truss & arch<br />
  2. 2. Suspension - bridge having roadways suspended from cables that are anchored at either end and usually supported at intervals by towers(Milau Viaduct tallest bridge in world built 2004)<br />
  3. 3. Singapore unique double helix design completed in 2010<br />
  4. 4. London Bridge is not falling down Over the River Thames ~ 1825<br />
  5. 5. Sao Paulo “X” Bridge<br />
  6. 6. Beam Bridges<br />
  7. 7. Chesapeake Bay Beam span bridge<br />
  8. 8. Truss uses triangles Forces = compression & tensionGolden Gate<br />
  9. 9. Styles of bridges to consider<br />
  10. 10. Arch Bridge thank the Roman’s for this intelligent design<br />
  11. 11.
  12. 12. Roman Arch Force Vectors<br />
  13. 13. RUBRIC:1. Draw a design off the top of your head. Make a plan/ pick a partner or chose to work alone2. Materials are plastic straws, limited glue and paper clips3. Tools are scissors, a glue gun with only two glue sticks4. Illustrate the completed bridge showing force/ tension /vectors gravity, weight N (newtons), and where ∑F=0 is the sum5. Do the physics vector and include the magnitude and distance for one specific section of the bridge.(Use graph paper if you like)6. Include a top and side view of the bridge7. Three days 90 minute effort each, any additional materials you will need to supply*Document process at the end of each of the three days <br />
  14. 14. The End<br />Sandwich High School Conceptual Physics 2011 acloutier<br />

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