It goes way off with this so let's leave it. It's confusing enough as it is for people like you.
I'm happy to leave it, but seriously, stop with the insults.
Just because we don't accept your claims doesn't mean we are confused.
Again, mass is resistance to a force, it is effectively a measure of its inertia.
Can you explain this to me in the simplest terms making sure I know for certain what this is?
If you push something (i.e. give it a force), with no other forces acting upon it, it will begin to accelerate.
But not everything accelerates at the same rate for the same force.
Some things (things with a large mass) will accelerate slowly from a given force or require significant force to accelerate at a certain rate.
Other things (things with a low mass) will accelerate quickly from a given force, or require very little force to accelerate at a certain rate.
Mass is effectively a measure of the resistance to acceleration, i.e. a term which links force and acceleration in a linear manner, such that the force divided by the mass gives you the rate of acceleration.
Volume is the amount of space something occupies.
Ok, so we know that a box occupies a space in a room and a person cannot walk through it as it creates a barrier by taking up space.
Does the box occupy the space inside of it? Or does the space occupy the box?
Does the space inside the box occupy the space outside of it?
Or does the space inside the box stay seperate and under pressure as if it was outside of the box?
This is where it gets more complicated, and depends on exactly what you are using it for.
For example, in terms of working out bouyancy, in water, you include any volume contained up to the first point the water can flow in, as well as the "barrier" itself, so for the case of a sealed box, you would include the volume inside.
If you are talking about bouyancy in air, then it depends on if air can get in, or if air is already trapped inside. If it can't get in and isn't trapped inside, then you do include the volume inside, otherwise you just include the barrier.
But that also links into the mass contained. If you are trying to accelerate that sealed box, you are also accelerating the air inside, and thus need to include that mass.
If you are trying to determine the density of the bulk material, you include any volume (and mass) of the pores of the material, for example in a sponge or gel.
If you are trying to determine the density at the nano-level, then you just include the material which makes up the structure/substance of interest, which in the case of a sponge is the fibres, and ignore the mass and volume occupied by air.
If you are discussing gasses, you include all the space in the container that the gas is in, which includes the space occupied by the molecules and the space in the void between them. In your model, that void space doesn't exist and instead the molecules expand and occupy that space.
In terms of gravity, what does this all mean.
In terms of denpressure, I can explain it as soon as you explain what's what with this volume stuff.
Volume is quite irrelevant to gravity.
Mass is related for the explanation of gravity.
Mass curves space time, with the curvature being proportional to mass.
As we exist in 3D, and lots of objects can effectively be considered points, at least from a great enough distance, or if you just consider the individual atoms, this curvature decays at a rate proportional to 1/d^3, where d is the distance from the source, which means the curvature is proportional to 1/d^2.
Any object in this curved space will accelerate at a rate proportional to the curvature, indpendent of the mass of the object being accelerated
This means gravity functions as a force which is proportional to the product of the masses and inversely proportional to the square of the distance between them (as it is proportional to the curvature, which is proportional to the "stationary" mass and inversely proportional to the distance squared, and as it directly produces an acceleration, to determine the force you need to times it by the objects resistance to acceleration (its mass)).
Density is mass per unit volume.
Mass per unit volume.
Can you explain this with a simple analogy. Simple terms that show it all works.
Consider water.
If you have 1000 kg of water, it occupies a volume of 1 m^3.
Thus, its density is 1000 kg per m^3.
If you have 1 g, it occupies a volume of 1 ml.
Thus its density is 1 g per ml.
If you have 50 g, and it occupies 50 ml, then its density is 50 g per 50 ml, which simplifies to 1 g per ml.
This looks different to the 1000 kg per m^3, but that is because they are different units, akin to how you can order some things in a variety of units.
For example, 24 eggs and 2 dozen eggs looks different, but each dozen is 12, so the 2 dozen is 24.
You can do the same for the water.
1 kg is 1000 g.
1 m is 100 cm, so 1m^3 is (100 cm)^3=100^3 cm^3= 1 000 000 cm^3.
This means your 1000 kg per m^3 is equivalent to 1 000 000 g per 1 000 000 cm^3, which simplifies to 1 g per cm^3.
As 1 ml is 1 cm^3, this is also equivalent to 1 g per ml.
We can do this with it all and then get to weight and such.
This can be quite fun and may help me....or you...eh?
Lets hope so.
As long as the discussion continues (preferably without insults), then it can be fun.