Physics:Physics of Fun
A roller coaster has no motor, it relies solely on the potential energy we give it at the start. A tumbler curls up into a ball to spin fast, then stretches out to slow down. On a swing potential energy is converted into kinetic energy. Physics is everywhere in our life. Without some properties of physics, we would have much less fun.
- Added：2006
- Country：Australia
- Duration：23
- Time of update：2011/3/11 15:03:55