A pool ball is of the same material throughout.
The distribution can be measured in all dimensions but serves no purpose in relation to the game. The 5.5 to 6 ounce weight throughout the 2.245 to 2.55 inch diameter can be used for a physics excercise but is not relevant to the game of pool. Within the game there are many other deviations that impact ball movement than can be termed much more important. This question has limited use excet for a physics class.
Chat with our AI personalities