Kite is a traditional craft in China. Why can a very thin rope make the kite fly high into the sky?

Flying kites is a very popular activity, both in ancient times and in modern times. Some children may ask, why do kites fly into the sky? What is its principle? From the name of the kite, we can know that in order for the kite to fly smoothly into the sky, there must first be wind. Secondly, there must be a thread in the kite to hold the kite, because with the help of this thread, the kite will receive a lifting force, so that the kite can fly smoothly into the sky.

1. About kites Regarding the origin of kites, we can find out from relevant information that kites mainly originated in ancient China. Not only can kites be used as a means of entertainment, but they can also be used to convey emergency messages. In ancient times, people would hold the traditional activity of flying kites during the Qingming Festival. The first kite in Chinese history was invented by Lu Ban.

2. Reasons why kites can fly into the sky. There are two main reasons why kites can fly into the sky. The first reason is natural wind. Without natural wind, it would be impossible for a kite to fly into the sky. The second reason is that there must be a string holding the kite during the kite making process. Under the traction of this line, the kite will be affected by the wind in the air, which will turn the air around the kite into two air currents. These two airflows are mainly distributed in the upper and lower layers of the kite. When a kite flies in the air, the airflow in the lower layer of the kite is blocked by the kite, and the flow speed of the air in the lower layer will slow down, and the air pressure will become higher and higher. Because the air above the kite circulates quickly, the air pressure in the upper layer of the kite decreases, allowing the kite to fly freely in the air.

3. Summary In general, there are two main reasons why kites can fly in the air. Firstly, because the kite is affected by the wind in the air, and secondly, a traction force is generated under the traction of the line. Under the action of this traction force, the kite can fly into the sky.