Multiple Choice
In an experiment, which of the following measurements depends directly on the gravitational force (and therefore changes when moving from Earth to the Moon)?
8. Centripetal Forces & Gravitation
Newton's Law of Gravity
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According to Newton's law of universal gravitation, if the distance between two point masses is doubled while the masses remain the same, how does the gravitational force change?
A
It remains the same.
B
It becomes one-fourth as large.
C
It becomes one-half as large.
D
It becomes twice as large.
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