Question

The gravitational force between two bodies each of mass m and separated by a distance of r is F. To keep the force constant how would you change
a. the distance if both the masses are tripled?
b. one of the mass if the distance is reduced to half,
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Answer 1

Answer:

1. if mass is tripled to each bodies then force is 9 times then before it is .so for constant force you have to distance 9 times to r .

Explanation:

f distance is reduced to 1/2 then you bhave to change one mass by it's double then the first .