Thread: Removing Submerged Navigation Hazards
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Old 10-11-2006, 01:19 PM   #15
TomC
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Default its the difference between "mass" and "weight"..
Quote:
Originally Posted by Yankee
Dave,

Why would the rock weigh less under water than above it?

terms which people tend to use interchangeably, but they do not mean the same thing...
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