why every mass attracts another one in this universe.or simply what is the main reason of gravitational force?

Question

Actually i want to ask that how and why gravity attracts every matter or mass ? and many questions like this which boggles the mind of man that how and why inertia works in every object which has mass ? and why there is an reaction when an action takes place? please if anyone have answer of these questions anwer me right now.

Answer 1

we don't know is the correct answer

some believe quantum particles called a graviton are exchanged between objects that have particles that create mass.

as they are exchanged, the lighter object gives way to the strength (more particles) of the heavier object.

I'm not too sure about it, but quantum mechanics works in a very weird and almost un-understandable way.

Also, some claim that gravity spreads over multiple (10) dimensions, while other forces only exist in our 4 dimensions. One of the main reason is appears so weak to us compared to magnatism and nuclear forces.

Answer 2

The one and only valid answer is: "We don't know".

We know HOW gravity works but we do not know what the underlying microscopic mechanism is. For this we will need a quantum theory of gravity.

Having said that, the prevailing model is that all forces of nature are different expressions of a single force which behaves differently at different energy and length scales. This model is analogous what we know about chemistry, where electromagnetism and quantum theory together form a framework to explain (almost) all molecular interactions like covalent bounds, hydrogen bridges, ionic substances, Van der Waals forces etc.. Since we have not identified the laws of that underlying force, yet, we can only make very limited statements about gravity.

In comparison to gravity inertia is relatively easy to understand on a microscopic level. You can find a fairly good quantum mechanical analogon in the effective mass of charge carriers in semiconductors.

Answer 3

The best theory of gravitation that we have right now is General Relativity. It states that gravity is just an apparent force arising out of a situation because mass curves space around it as opposed to the other three forces, the analogy that Einstein used is putting a ball on a rubber sheet, the ball stretches the sheet and in turn the sheet curves around it, so if you put another mass close to that curve, it'll go towards the first mass.