Have you ever wondered how many G’s are involved in a football tackle? University of Minnesota physics professor Dan Dahlberg breaks down a tackle from the Minnesota Cal game from earlier this football season when Gopher receiver Eric Decker gets slammed in the end zone by Cal’s Sean Cattouse during a touchdown catch. Dahlberg breaks down the catch and tackle and explains how much force Decker withstood when he took the hit. Be sure to also check out Cal’s YouTube videos at: youtube.com/ucberkeley and youtube.com/calathletics

Buy the MP3 at: www.amazon.com See more clips at: espn.go.com All the huge hits from the year put together into one video… a Must see! Audio Rights: Three Six Mafia “I Got” Video Rights: ESPN, NCAA, CBS, CSS, FOX