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7 April, 03:15

Two small objects, with masses m and m, are originally a distance r apart, and the gravitational force on each one has magnitude f. the second object has its mass changed to 2m, and the distance is changed to r/4. what is the magnitude of the new gravitational force?

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  1. 7 April, 03:25
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    32f. That's because the force is directly proportional to the product of the masses and inversely proportional to the square of the distance. So you get 2• (1/1/4) ^2=2•16=32
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