Physics 30 - Guys VS Girls Tug-o-War

In class there was a question that required a vector diagram of a Tug-O-War.  The boys thought they would win and the girls thought they would win.  The challenge was on and they got the Tug-O-War rope from the gym and had to play out this situation to a natural consequence....Pizza was the Prize.  There were  8 guys VS. 13 girls who participated in the challenge. The winners were the GIRLS....  The Pizza was never such a good motivation!!!