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  • Gravitational Force and Orbital Distance: A Physics Explanation
    Here's how the change in distance affects the gravitational force between a star and its planet:

    Newton's Law of Universal Gravitation

    The force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. Mathematically:

    * F = G * (m1 * m2) / r²

    Where:

    * F is the force of gravity

    * G is the gravitational constant

    * m1 and m2 are the masses of the two objects

    * r is the distance between their centers

    The Effect of Increased Distance

    If the distance between the star and planet triples (r becomes 3r), the force of gravity will be affected as follows:

    * F' = G * (m1 * m2) / (3r)²

    * F' = G * (m1 * m2) / 9r²

    This means the new force of gravity (F') will be 1/9th of the original force (F).

    In summary:

    * Increasing the distance between the star and planet by a factor of 3 will reduce the gravitational force between them by a factor of 9.

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