The relevant aerodynamics, including a tutorial on boundary layer separation and how it affects lift and drag on sports balls, is described in this article by Rod Cross, University of Sydney.
Chapter 42,' Ball trajectories: Factors influencing the flight of the ball', in "The physics and technology of tennis", by Howard Brody, Rod Cross, and Crawford Lindsey.
Part of NCSSM Online Physics Collection: This video deals with kinetic and static friction forces.
A description of friction, the coefficient of friction and friction on an inclined plane. Also covers slides or topples criteria.
The Library is open 8.00 to 4.00 Mon-Thurs, 8.00 to 3.30 Fri. We also have a selection of games available to play during recess and lunch. Only games from the Library are to be played.