We are required to explain the effect of distance on the gravitational force.
Newton's law of gravity:
G is the gravitation constant, M is the mass of the first object, m is the mass of the second object, and R is the separation between the masses.
If Earth were twice as far from the sun, the force of gravity attracting earth to the sun would be ______.
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What scientific concept do you need to know in order to solve this problem?
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Based on our data, we think this problem is relevant for Professor Vishveshwara's class at UIUC.