# State the universal law of gravitation derive the formula to calculate the gravitational constant

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this the correct answer for your question.

2nd photo work is to be done first.

then after the work of 2nd photo.

2nd photo work is to be done first.

then after the work of 2nd photo.

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Ok take any two objects of mass m1 and m2

let the force of attraction between them is F

and the distance between them is r

So F \alpha M1

F \alpha M2

F \alpha 1/R²

We can write these equations as F \alpha M1*M2/R²

Removing the proportionality symbol and placing G as constant we get

F=G M1*M2/R²

Thus the universal law of gravitation can be derived

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