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Question 9
Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be

(a) 14 times
(b) 4 times
(c) 12 times
(d) Unchanged


Solution

(b) 4 times

According to the formula gravitational force is equal to

F=GMmd2

If you double the mass, the force will increased by 4 times.

Physics
NCERT Exemplar
Standard IX

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