If it were, and it behaved in any degree like atomic structures, it would be found to be denser in the neighbourhood of large bodies like the earth, planets, and the sun.
The steamship requires to propel it fast, a large amount of coal for its engines, because the water in which it moves offers great friction resistance which must be overcome.
When surface of matter moved with another it's called friction, the moving body loses rate of motion, and will presently rest unless energy continuously supplied.
A bullet shot into the air has its velocity continuously reduced by the air, to which its energy is imparted by making it move out of its way
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