1. Mass: The more massive the objects, the stronger the gravitational force between them. This is because gravity is a fundamental force that attracts all objects with mass. The more mass an object has, the more strongly it attracts other objects.
2. Distance: The closer the objects are, the stronger the gravitational force between them. This is because the force of gravity decreases rapidly with distance. The force of gravity is inversely proportional to the square of the distance between the objects. This means that if you double the distance between two objects, the force of gravity between them will be reduced to one-fourth.
These two factors can be summarized by the following equation:
F = G * (m1 * m2) / r^2
where:
* F is the force of gravity
* G is the gravitational constant (6.674 × 10^-11 m^3 kg^-1 s^-2)
* m1 is the mass of the first object
* m2 is the mass of the second object
* r is the distance between the centers of the two objects
This equation tells us that the force of gravity is directly proportional to the product of the masses of the two objects and inversely proportional to the square of the distance between them.
In essence, the more massive the objects and the closer they are together, the stronger the force of gravity between them.
