Which of the following is the best example of air compression.
Fly a kite
1.Inflate the tire of a bicycle
2.Blow on a candle
3.Use a vacuum cleaner
The best example of air compression among the options provided is option 2 - inflating the tire of a bicycle.
To understand why inflating a bike tire is an example of air compression, we need to know what air compression is. Air compression refers to the process of reducing the volume of a given amount of air using external force or pressure, which in turn increases the air pressure.
When you inflate a bicycle tire, you use a pump to forcefully push air into the tire tube. As more air is pumped into the tire, the volume of the air decreases inside the confined space of the tire, causing the air particles to become more compressed. This compression creates higher pressure inside the tire, making it firm and able to support the weight of the bicycle and rider.
Let's go through the options to understand why the other options do not exemplify air compression:
1. Fly a kite: This activity does not involve compression of air. While you may need air moving over the surface of the kite to generate lift, it does not involve reducing the volume of air or increasing its pressure.
2. Blow on a candle: Blowing on a candle can extinguish it by removing the combustion elements like heat or fuel, but it does not involve air compression. You are simply moving the air around the candle, not compressing it.
3. Use a vacuum cleaner: While a vacuum cleaner uses suction to remove air from an enclosed space, it does not involve air compression. Instead, it creates a partial vacuum by removing air from a chamber, causing air pressure to decrease inside that space.
Therefore, among the given options, inflating the tire of a bicycle is the best example of air compression as it involves increasing the air pressure by reducing the volume of air in a confined space.