3d application of the pendulum - colliding with each other balls Newtons Cradle. It is interesting to observe the physics of beating balls hanging on a special stand. Swing in which you are comfortable sequences balls and watch the action of the pendulum. Of course, their true purpose is to demonstrate the transformation of one energy to another (kinetic to potential, and vice versa), but many people use it for different purposes. Download Newtons Cradle Keynote diagrams for your presentations.
