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Gravitation — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysicsGravitation1 Mark
Question
Distance between two bodies is increased to three times its original value. What is the effect on the gravitational force between them?
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Answer

Since, $\text{F}\propto\frac{1}{\text{r}^2},$ hence the force will remain only $\frac{1}{9}\text{th}$ part of its original value when the distance between two bodies is increased to three times.

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