The Forces applet is designed to give the user an opportunity to develop intuition and computational skills related to the classic problem of the motion of a brick on a frictional inclined plane. If you can understand this problem you are well on your way to mastering much of what follows in your course.
The Roller Coaster applet is designed to give users an entertaining way of examining the principle of Conservation of Energy. Build your roller coaster, let it go, and watch the interplay between potential and kinetic energy. See if you have what it takes to build a thrill ride for the ages.
