o
Liquids exert (an equal) pressure on all th
An external pressure, applied on a liquid in
uniformly throughout the liquid.
Atmospheric Pressure
We all know that there is air all around us. It
that holds this air around us. This envelope o
as atmosphere. It extends up to nearly 1,000
The weight of this huge mass of air exerts a
objects, on the earth. We call this pressure a
air pressure
Answers
Answer:
What does pressure mean?
If you tried to hammer a bowling pin into the wall, nothing would probably happen except for people deciding to no longer lend you their bowling pins. However, if you hammer with the same force on a nail, the nail would be a lot more likely to penetrate the wall. This shows that sometimes just knowing the magnitude of the force isn't enough: you also have to know how that force is distributed on the surface of impact. For the nail, all the force between the wall and the nail was concentrated into the very small area on the sharp tip of the nail. However, for the bowling pin the area touching the wall was much larger, and therefore the force was much less concentrated.
Explanation:
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Answer:
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Explanation:
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