2 objects of masses m1 and m2 exerts a force on each other when they are separated from a distance 'r" . What happens :
1) mass m1 becomes doubled
2) the distance between them becomes r/2
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Solution
Newton's law of gravitation states that the force of attraction between two bodies of mass m1 and m2, kept at a distance r is given as:
.......(1)
Where, G is the universal constant with a value 6.67 × 10 −11 Nm 2 kg −2
Case 1 :- m1 = 2 m1
Hence, by eq. 1, the force will also doubled.
Case 2 :- r =
In this case, the force of attraction would become four times of the initial force between the objects.