1. Soccer Physics from Sheffield John Eric Goff Lynchburg College CS-AAPT Fall 2009 George Mason University October 10, 2009

2. Sabbatical Across the Pond 6000 km from Lynchburg 53.4 N, -1.47 W The University of Sheffield (25,600 students)

3. Collaborative Research Associate Visiting Staff Department of Mechanical Engineering Member of Matt Carrés Sports Engineering Research Group Eric and Matt

4. Trajectory Analysis of a Soccer Ball

5. Aerodynamic Coefficients from Wind Tunnels

6. Re = vD/

7. Aerodynamic Coefficients from Wind Tunnels Sp = r /v

8. Our Trajectory Experiments

9. High-Speed Cameras Record Trajectory

10. No Spin – Find C D

13. Drag Coefficient

16. Lift Coefficient

19. Whats Next?

20. Further Reading Coming soon to AJP: Trajectory analysis of a soccer ball by John Eric Goff and Matt J. Carré Gold Medal Physics: The Science of Sports by John Eric Goff

21. Thanks! People: Matt Carré Sarah Tomlinson James Clarke Nick Emerson Money: Bridging the Gaps Fellowship Lynchburg College Deans Office 2008 Mednick Award (VFIC) 2009 Huston Award (LC)