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Anonymous users2024-01-24This should be due to the fact that the thermal conductivity of the two substances is not the same.
Of course, you'd better look at the specific name of this in the textbook.
Thermal conductivity refers to the heat transferred by 1 square meter area within 1 second of a 1m thick material with a temperature difference of 1 degree (K, °C) between the two sides of a material under stable heat transfer conditions, expressed in watts (m ·kW), w (m·k) (W m ·K, where K can be replaced).
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Anonymous users2024-01-23Because your sofa leather isn't good enough.
The sofa is softer than the stool, and sitting on the sofa, the force area of the body is relatively large, and the pressure is small, so it is more comfortable. >>>More
Answer: C
What is considered is the pressure, the pressure is constant, the force area is large, P=F s, s is large, and the pressure is small. >>>More
There is pressure in the human stomach, and sitting on the toilet can decompress as much as possible, without a little scruples, so it is comfortable. Besides, I don't have to worry about the boss checking the post when I sit on the toilet when I go to work, so I don't have any scruples.
Because I'm not used to it, I've been squatting for a long time, and I'm not used to sitting again. I think it's better to go with the flow and poop on the toilet, and I can pull it down. Another reason, understandably speaking, is constipation.
The sofa is soft, will fit the curve of the human body and concave it, increase the contact area of the person sitting on it, because the gravity of the person is certain, so the pressure of the person on the sofa or chair is inversely proportional to the contact area, and the pressure of the sofa or chair on the person is less equal to the pressure of the person on the sofa or chair, so the pressure of the sofa on the human body is smaller, and it feels more comfortable.