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15 January, 01:11

An object has a weight W when it is on the surface of a planet of radius R. What will be the gravitational force on the object after it has been moved to a distance of 4R from the center of the planet?

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  1. 15 January, 05:04
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    W/16

    Explanation:

    The force of gravity, W = mg = GMm/R²

    When R increases by a factor of four, W decreases by 4² or 16.
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