1.     How does force of attraction between two objects change when the distance between them is reduced to half?

2.     What happens to the force between the two objects, if

(i)               The mass of one object is doubled?

(ii)             The distance between the objects is doubled.

3.      Calculate the force of gravitation between the earth and the sun, given that the mass of the earth = 6x1024 kg and of the sun = 2x1030 kg. The average distance between the two is 1.5 x 1011 m.

Dear Student
  Gravitational force of attraction=Gm1m2r2 where m1 and m2 are the masses and r is the distance between masses1 Force of attraction becomes four times when r becomes half2 (i) when mass of one object is doubled than the force becomes double.(ii) when distance becomes double than the force of attraction becomes 14 times. For further qeries please ask in another thread so that we can provide you with somemeaningful help. Hope this information will clear your doubts about topic.  If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.  Regards

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