Density calculation sometimes can be confusing

In summary, density calculation can be perplexing due to various factors such as the need for precise measurements of mass and volume, the influence of temperature and pressure, and the different formulas used in specific contexts. This complexity can lead to misunderstandings and errors if not carefully addressed.
  • #36
Orodruin said:
No. You do not have the mass or weight. That is why you need to estimate it from what you can infer.

So, the bone mineral weight or mass that is calculated from the DEXA scan machines are just estimations?
 
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  • #37
Yes. You actually measure mass with something like a mass scale which measures force due to mass. The machine you describe can measure the attenuation of the x-ray beam as it passes through the bone and that is correlated to mass.
 
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