What it replaced. Advantages and disadvantages. Design the fastest balloon rocket. Compressed air contains potential energy which can be converted into kinetic energy. Compressed air has been used to do work since early in man s history and continues to have major applications in industry today.
All pneumatic systems operate by applying a force over an area.
Lecture and demonstration on air pressure and air compression. Use a bicycle pump to blow up an inner tube. Show how pump works. Discuss differences in pressure as you are blowing up the tube, when tube is full and when deflating the tube. The history of using compressed air to do work.