Answer the following question given this paragraph: 

Figure 28.18 Momentum is an important concept for these football players from the University of California at Berkeley and the University of California at Davis. Players with more mass often have a larger impact because their momentum is larger. For objects moving at relativistic speeds, the effect is even greater. (credit: John Martinez Pavliga).


Q: Why do players with more mass often have a larger impact in football?


A:
momentum is larger