Ncert Exercises & Solutions

How is the gravitational force between two point masses affected when they are dipped in the water keeping the separation between them the same?

Hint: The gravitational constant is a universal constant.

Step: Find the gravitational force between the bodies when they are dipped in water.

The gravitational force acting between two point masses

m_{1}

and

m_{2}, F = \frac{G m_{1} m_{2}}{r^{2}}

, is independent of the nature of the medium between the bodies. Therefore, the gravitational force acting between two point masses will remain unaffected when they are dipped in water.

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