Question

What do we know about balls?

what do we want to find out?
do all balls bounce?|
do all balls roll?
what makes balls roll?

Answer 1

not all balls bounce but all balls do roll because the round srcture that they have no points ther all curves

Answer 2

not all balls bounce take a look at a baseball that dosent bounce all balls roll what makes them roll is their aero dynamic shape that reduces the friction