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In Physics / High School | 2014-11-11

What three variable factors determine the force of gravity between any two objects?

Asked by megbug

Answer (2)

The force of gravity between any two objects is determined by three variable factors: the mass of the first object, the mass of the second object, and the distance between the center of the two objects. According to the law of universal gravitation, the gravitational force is directly proportional to the product of the masses of the two objects.
This means that the greater the masses of the objects, the stronger the gravitational force between them. Conversely, the gravitational force is inversely proportional to the square of the distance between the objects, meaning that as the distance increases, the force decreases significantly.
The relationship can be expressed mathematically as F = G * (m1*m2) / d^2, where F is the force of gravity, G is the gravitational constant, m1 and m2 are the masses of the objects, and d is the distance between the centers of the two objects. This formula showcases the importance of mass and distance in determining the strength of gravitational forces.
Understanding these principles is vital not only in physics but also in various applications such as satellite deployment and calculating orbital paths in space missions. The interaction of these factors dictates the gravitational attraction between celestial bodies and plays a crucial role in the dynamics of the universe.

Answered by IngridBergman | 2024-06-24

The force of gravity between any two objects depends on their masses and the distance between them. Specifically, it is stronger with larger masses and weaker as the distance between them increases. This relationship is described by Newton's Law of Universal Gravitation, expressed mathematically as F = G × d 2 m 1 ​ × m 2 ​ ​ .
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Answered by IngridBergman | 2024-10-10