In the universe, large mass attracts small mass. Does this also apply to dust in the world, that it is attracted to a cupboard or my biceps?
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A small mass also attracts the large mass.
Theoretically yes, but your mass fades compared to the earth's mass. The effect is basically not measurable.
If you and a mosquito collide, then the mosquitoes theoretically slow down and not just you mosquitoes. Because of your mass, you don't notice it, while the mosquitoes are immediately braked to 0 km/h.
Yes, small mass also attracts great mass.
Everything – what mass has – attracts each other.
Generally, masses are moving. The attraction between two bodies is always opposite, ie, the earth causes, for example, the same weight force on a person in terms of proportion, as the person inversely exerts a weight force on the earth (3rd Newton Act).
In the case of dust adhering to a cabinet, for example, the gravity force has no relevance, it is too weak. The forces acting here between cabinet and dust are electromagnetic.
All bodies move according to their mass and square of their distance. This, of course, also applies to gravity between cabinet and dust grain, at least theoretically. Of course, such tiny forces are not measurable.
With appropriately sensitive devices and sufficient observation time, for example, the attraction force between two fist-sized lead balls can be measured.
The problem of your ideas about gravitationality is that of your false conceptual model, because gravitation is a structural character in space that, with the inversely proportional square of distance (1/r2), shortens the distances in space by turning the normal three dimensions into a fourth dimension.
Thus, the existing is not an external thing that displaces the space, but it is the structurally marked volume of the space itself. This structure thus has a finite maximum range which determines the edge of a sphere of action with the 1/r2 rule, within which something can actually act.
Therefore, the distances from the edge to the central coordinate origin are always scaled smaller. A movement within the sphere will thus always move forward in the direction of the center than in the direction of the edge.
This effect is called attraction.
This structural marking is the cause and effect is the attraction. We understand this as a gravitation. But mass doesn't have anything to do directly. Photons or gluons also have a gravity-acting volume, but no mass.
And your dust grains are extremely complex structures and also charge themselves electrically, thus causing electrostatic properties, which in turn explain the attraction that is significantly stronger than the gravity.
That's it. There are only small forces that are often overlaid by other forces. Until this attraction creates a planet like the Earth, a few billion years can pass.
All the masses draw each other.
You put on the earth with the same force that the earth attracts you.
So: yes, also applies to your examples
Your biceps are too small, too little mass.
Yes, that's why you should dust off supposed "biceps."
This applies to any matter. If you were in space and no other powers, a pencil could circle you, beautiful evening
ALL masses pull each other!
The bigger the move.
#blackhole
Yes, that's why you need to dust your biceps more often