The "why" is sort of tricky. You can think of every mass exerting a force on every other mass. According to General Relativity, a mass will actually distort spacetime in its surroundings, in such a way that this affects other masses.For more details on what we know and what we don't know, you may want to look up "Gravity" in Wikipedia, for example.
because gravity pulls different masses together.
They attract each other because of gravity.
Gravity is caused by the masses of the objects involved. Different objects attract each other, just because they have a certain amount of a property called "mass".Gravity is caused by the masses of the objects involved. Different objects attract each other, just because they have a certain amount of a property called "mass".Gravity is caused by the masses of the objects involved. Different objects attract each other, just because they have a certain amount of a property called "mass".Gravity is caused by the masses of the objects involved. Different objects attract each other, just because they have a certain amount of a property called "mass".
gravity will pull them together. All objects with mass have an attraction to each other.
The force of gravity attracts every pair of objects that have mass toward each other.
The other object would be drawn more strongly to the one with increased mass. But whether that influenced their motion would depend on the actual forces involved. Since gravity is a "mutual" attraction, the effect on the two-object system could vary in ways other than the increased net attraction.
the objects with the greatest mass and the ones that are closest to other objects
Gravity is caused by the masses of the objects involved. Different objects attract each other, just because they have a certain amount of a property called "mass".Gravity is caused by the masses of the objects involved. Different objects attract each other, just because they have a certain amount of a property called "mass".Gravity is caused by the masses of the objects involved. Different objects attract each other, just because they have a certain amount of a property called "mass".Gravity is caused by the masses of the objects involved. Different objects attract each other, just because they have a certain amount of a property called "mass".
In this case, the center of mass will be closer to the object with greater mass.
The force of gravity that attracts two objects toward each other is directly proportional to the mass of each object.
the mass of the object is too small
That's the center of mass of two or more objects that orbit each other.
Theory of gravity
Any two objects with mass will be attracted to each other by gravity, which is a force that arises purely from mass. Any mass is possessed of gravity, and any two masses will be drawn toward each other by this force. But note that gravity isn't strong enough to cause, say, a rock to be attracted to a brick wall. They are attracted to each other by their mutual gravity, but that mutual gravity cannot overcome the other forces acting on them. The gravitational forces acting in this case are very small when we look at the "big picture" here.
gravity will pull them together. All objects with mass have an attraction to each other.
The force of gravity attracts every pair of objects that have mass toward each other.
The mass of the most objects is too small to cause a force large enough to notice. This is why you don't see the objects moving toward each other.
The further two objects are from each other, the smaller the gravity, the equation for this is: Mass 1 X Mass 2 ---------------------- Distance Squared
Mass