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zakruti.com » Knowledge, science, education » The Engineering Mindset
What is Density? - Density Explained

What is Density? - Density Explained

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Rating: 4.0; Vote: 1
we explain in simple terms what density is, why it is important, how to calculate density in both imperial and metric units as well as worked examples to help you learn and apply your knowledge. Density is calculated by dividing the mass by the volume. Density explains why ice floats. If you freeze water it expands
Date: 2023-11-17

Comments and reviews: 5


I don't understand one thing from what u have said when fluid is heated mass remains constant but volume increases that means density decrease. i think it is like this is when a fluid is heated mass decreases because of the evaporation process in this case the volume also decrease that means density decrease.
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Paul I have a struggle in my mind: if water or other incompressible fluids can't change their density then how a pump builds up pressure? I mean a compressor compress gas means pressure increases and therefore also the density. But it's not like that for water.
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We just learned that Pounds are your weight in relation to gravitational acceleration. And that KG are just your mass w/o gravity. So why are they using lbs/m3 for the Imperial unit when calculating Rho=M/V?
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Why wouldn't density be measured in imperial by slugs/ft3. Pounds are a measure of weight (like newtons) not matter (like kilograms.
Probably because saying slugs make you sound incredibly silly.

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I have a question which is the least dense water or sand?
We've been learning this in class and got no answer to the question

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