Have you ever noticed that when an electric fan is running, the wind at the back is usually stronger than the wind at the front? Much weaker. When the electric fan is running, the wind force from the front is usually much stronger than the wind force from the back. This is common sense in life. It is also the latest question and answer of Alipay Ant Manor. Let’s take a look.
Answer: Much weaker
Knowledge expansion: Air can flow. A small part behind and in front of the fan blades are the source of wind. The air is pushed forward by the fan blades and flows forward. Just like the gate of a dam, the water flow is slower in the distance behind the gate. The current is stronger near the gate and the strongest in front of the gate. It’s all the intensity that comes from concentration!