Which of these is not a statement of newton's law of universal gravitation?

That is not one.

To determine which of the options is not a statement of Newton's Law of Universal Gravitation, we need to know what the law actually states. The law is typically expressed as follows:

"Every particle of matter in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them."

Now, let's analyze the given options:

Option 1: "All objects with mass attract each other." This statement aligns with Newton's Law of Universal Gravitation. It states that all objects with mass have the capability to attract each other.

Option 2: "The force of attraction between two objects decreases as the distance between them increases." This statement is also consistent with Newton's Law of Universal Gravitation. It specifies that the force of attraction diminishes as the distance between the objects increases.

Option 3: "The gravitational force between two objects depends on their color." This statement does not align with Newton's Law of Universal Gravitation. Color is not a factor that affects the gravitational force between two objects.

Option 4: "The gravitational force between two objects is not affected by their masses." This statement contradicts Newton's Law of Universal Gravitation, which states that the gravitational force is directly proportional to the product of the masses of the two objects involved.

Based on the analysis, the option that is not a statement of Newton's Law of Universal Gravitation is Option 3: "The gravitational force between two objects depends on their color."