Yes, it is quite normal as long as the difference is not extreme. However, if it causes physical discomfort, or pain, or is discoloured, or bruised, you should have it checked by a doctor.
it will leave the surface of the other ball roughly 1/4 of the way down to the other end.
No, a cricket ball is much larger than a golf ball.
6x bigger
Marks balls are way bigger than that so it doesnt matter.
Assuming all other factors are equal, a bigger ball would have the same acceleration as a smaller ball when subject to the same force. This is because acceleration is dependent on force and mass, and in this case, the increased mass of the bigger ball would require more force to achieve the same acceleration as the smaller ball.
A rugby ball
the little boy with the ball
NBA.
A golf ball.
The Q-ball has metal inside it and the other balls don't so as the Q-ball goes down a pocket to be returned a thick strip of magnet keeps it from following the other balls. It is NOT bigger than the other balls.
the small ball
catch it with a Pokemon (normal) buy like 50 or dive ball or master if there no other lengendary Pokemon