So that the ball can roll cleanly on the field.
She is probably trying to get on it.Mine does that with soccer ball, balloon whatever, try giving her a soccer ball, she is just playing, will roll the soccer ball around
The wetness will increase the friction, so the ball will roll slower and for a shorter distance.
The ball would roll downhill.
Friction is when you roll a bowling ball down an bowling alley or when you kick a soccer ball. Hope this helped
Actually, many people all around the world participate in soccer. From small kids kicking around a toilet roll, to professional teams and players knocking an actual ball around. Anyone anywhere can play, really. Have fun!
Roll... and it moves around in circular motion causing wind currents to direct its flow.