* Directly Proportional to Mass: The more massive the objects, the stronger the gravitational force between them. If you double the mass of one object, the force doubles. If you double the mass of both objects, the force quadruples.
* Inversely Proportional to Distance: The closer the objects are, the stronger the gravitational force. If you halve the distance between two objects, the force becomes four times stronger.
The Formula:
This relationship is captured in Newton's Law of Universal Gravitation:
```
F = G * (m1 * m2) / r^2
```
Where:
* F is the gravitational force
* G is the gravitational constant (approximately 6.674 x 10^-11 N⋅m^2/kg^2)
* m1 and m2 are the masses of the two objects
* r is the distance between the centers of the two objects
In simpler terms:
* Heavy things pull harder: A big planet exerts more gravitational pull on you than a small rock.
* Close things pull harder: You feel a stronger pull from the Earth when you're standing on its surface than when you're in space.
Let me know if you'd like more details or examples!
