The laws of physics explain why there aren’t any female members of a NASCAR pit crew: The average woman of 5-4 weighs around 130 pounds, and the average racing tire weighs between 55 and 70 pounds. So physics explains a woman of average size would have to lift and move half her weight – twice – and bolt two tires in 12 seconds or less to succeed in a NASCAR pit.
Physics never met Christmas Abbott.
Read: Yahoo! Sports