The gravitational force between two objects varies depending on the distance between them due to Newton's Law of Universal Gravitation. As distance increases, the gravitational force decreases, and vice versa.
The gravitational force between two objects of the same small size mass would vary depending on the distance between them. The key principle that governs this is Newton's Law of Universal Gravitation, which states that the gravitational force is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. Therefore, as the distance between the two objects increases, their gravitational attraction decreases, and conversely, it increases as they move closer.
To address the multiple-choice options provided in the question:
- Gravitational force is not only about the size or mass, but it is significantly affected by the distance between the objects.
- It is incorrect to say that the gravitational force necessarily increases or decreases solely based on the energy of the interacting particles without considering the distance between them.
- Weight, being the force of gravity on an object, is directly proportional to the mass of the object and inversely proportional to the distance squared from the center of the gravitational field.
Thus, the correct answer would be D: Varies depending on the distance.