Secrets of a touchdown pass, in 90 seconds
Professor Emeritus of Physics Edward Groth III explains the physics of a football pass including the three factors of why a spiral is important, how the shape of the ball has changed over time and how players can adapt their pass to external conditions. (Video by Nick Donnoli, Office of Communications)
Please note: Some content on this page was produced by Nick Donnoli while working as a Multimedia Specialist in Princeton University's Office of Communications.
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