F. Ans
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1. Why does air inflate things?
Answers
Answer:
Gas particles exert pressure on the walls of the container in which the gas is filled. For example, when a balloon is inflated, the air inside it expands, thereby exerting pressure on the balloon walls. As a result, the size of the balloon increases.
Explanation
Here is an explanation of what happens to the balloon when inflated by blowing air into it.
Blowing up a balloon requires forcing additional air particles from our lungs into the balloon. These particles bumped the balloon’s inside walls, creating enough air pressure to force the rubber of the balloon to expand and the balloon to inflate.
The collision of these air particles with the walls generates a high-pressure environment inside the balloon relevant to the atmospheric pressure around it. This is why when a balloon is released; the high-pressure air flows out of the balloon to the low-pressure air surrounding it: ‘Winds blow from high to low.
Scientific Principle: This activity demonstrates that the air inside the soda bottle expands when heated causing the air molecules to move faster and get farther apart. This is what causes the balloon to inflate. Warm air is less dense than cold.
An inflatable is an object that can be inflated with a gas, usually with air, but hydrogen, helium and nitrogen are also used. One of several advantages of an inflatable is that it can be stored in a small space when not inflated, since inflatables depend on the presence of a gas to maintain their size and shape. Function fulfillment per mass used compared with non-inflatable strategies is a key advantage. Stadium cushions, impact guards, vehicle wheel inner tubes, emergency air bags, and inflatable space structures employ the inflatable principle. Inflation occurs through several strategies: pumps, ram-air, billowing, and suction.
Types
High Pressure VS Low pressure
A distinction is made between high-pressure and low-pressure inflatables. In a high-pressure inflatable, structural limbs like pillars and arches are built out of a tough, flexible material and then inflated at a relatively high pressure. These limbs hold up passive membranes. The space where the visitors or inhabitants stay is at normal atmospheric pressure. For example, airplane emergency rafts are high-pressure inflatable structures. Low-pressure inflatables, on the other hand, are slightly pressurized environments completely held up by internal pressure. In other words, the visitors or inhabitants experience a slightly higher than normal pressure. Low-pressure inflatables are usually built of lighter materials. Both types of inflatables (the low-pressure type more so) are somewhat susceptible to high winds.
By use
Balloon
A balloon is an inflatable flexible filled with air and also gas, such as helium, hydrogen, nitrous oxide or oxygen. Modern balloons can be made from materials such as latex rubber, polychloroprene, or a nylon fabric, while some early balloons were made of dried animal bladders. Latex rubber balloons may be used as inexpensive children's toys or decorations, while others are used for practical purposes such as meteorology, medical treatment, military defense, or transportation. A balloon's properties, including its low density and low cost, have led to a wide range of applications. The inventor of the natural latex rubber balloon, (the most common balloon) was Michael Faraday in 1824, via experiments with air and various gases.
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