What is the Physics of this Obervation?

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In summary, the conversation discusses the physics of a system where a kitchen with two doors, one to a balcony and one to a floor, experiences changes in air pressure when one of the doors is opened or closed. The person suggests conducting an experiment to observe the effect of air pressure on a plastic sheet taped over one of the doors. They also mention the possibility of the external door remaining closed despite the internal door being open due to the direction of the prevailing breeze. The conversation ends with a question about the implications of thermodynamics on this scenario.
  • #1
Herbststurm
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Hello

I am interested in the physics of this system:

In the second stock of a building is a kitchen with two doors. One door is to a balcony and this door dos not close properly. The second door goes into a floor of the house.

I like to know what physically happens in the following objection: If the door to the floor is closed, than the door to the kitchen holds, but if the door to the floor is opend, than the kitchen door opens.

How to physically explain this? I guess it has to do with the pressure outside and the pressure inside the kitchen with opend and closed door to the floor.

Could you explain this please and is my idea correctly?

What does Thermodynamics say to this?

Thanks
 
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  • #2
I suggest you open one door and temporarily tape a sheet of plastic over the opening. Observe whether the plastic bulges in or out with air pressure when you open and close the other door. Theory should proceed hand and hand with experiment.
 
  • #3
Yes, if you close off all possibility of airflow through the room, there will be no air movement to push against the loose door. But surely there must be times when the prevailing breeze is from a direction such that you can have the interior door open yet the external door remains shut? Not even occasionally do you find this is possible?
http://thumbnails109.imagebam.com/37332/0363e9373319108.jpg
 
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FAQ: What is the Physics of this Obervation?

What is the Physics behind this observation?

The Physics behind an observation refers to the fundamental principles and laws that govern the behavior and interactions of matter and energy in the natural world. It involves understanding the physical properties of objects, the forces acting upon them, and the resulting motion or changes in energy.

How do we use Physics to explain this observation?

Scientists use Physics to explain observations by applying the known laws and principles to the specific situation. This involves identifying the relevant physical quantities, such as mass, velocity, and force, and using mathematical equations to describe their relationships and predict the outcome.

Can you give an example of how Physics explains this observation?

A classic example of how Physics explains an observation is the motion of objects under the influence of gravity. Using the law of universal gravitation, we can explain why objects fall to the ground and predict their trajectory based on their mass and distance from the Earth.

How does the Physics of this observation relate to other scientific disciplines?

Physics is often considered the most fundamental of the sciences, as it provides the foundation for many other disciplines. For example, Chemistry relies on the understanding of atomic and molecular structure, which is explained by Physics. Biology also has many physical components, such as the movement of cells and the transport of nutrients within living organisms.

Why is it important to understand the Physics of an observation?

Understanding the Physics of an observation allows us to make accurate predictions and explain the natural world around us. It also helps us develop new technologies and advancements that improve our lives. Additionally, studying Physics can lead to a deeper appreciation and understanding of the universe and our place within it.

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