The experimental process of the jet balloon:
1. Thread the string through the straw.
2. Hang a string in the room. Put two strips of tape on the straw.
3. Blow up the balloon with a pump.
4. Hold the balloon by the neck and tape it to the tape.
5. Let go of the balloon and it rushes out along the string at high speed. A jet of air comes out of the neck of the balloon and pushes the balloon forward.
principle
Same principle as jet engines.
Air propulsion is a practical application of Sir Isaac Newton's third Law of motion. ? The law states: \"For every force acting on a body, there is an equal and opposite reaction.\" In the case of aircraft propulsion, the \"object\" is the air that is accelerated as it passes through the engine. The force required to produce this acceleration has an equal and opposite reaction force acting on the device that produces this acceleration. Jet engines produce thrust in a manner similar to an engine\/propeller combination. Both propel the aircraft by pushing large amounts of gas backward, one in the form of a large jet of air at relatively low speeds and the other in the form of a jet of gas at extremely high speeds.