Long are the days where a designer could simple explore flash and learn it. The current times and ActionScript 3 require some programming skills. Fortunately Flash CS5 includes a simple way to associate gravity behavior to objects making certain animations easier.
Flash CS5 introduces a whole bunch of new features in order to keep up to date with the current necessities in the development of RIAs and other software for Mobile hardware such as the iPhone.
The video after the jump will show some of Flash CS5 gaming capabilities and, starting at 3min50sec, an introduction to Flash CS5 physics.
For more information on Flash CS5 you may consult Adobe Technologies page on Flash CS5