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20-08-2019
Physics

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Write two examples(mathematical expression) of physical laws that change inversely with the square of the distance.

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rokettojanpu rokettojanpu

20-08-2019

Both gravitational and electric forces follow the inverse-square law.

For gravitational force:

F = GMm/r²

For electric force:

F = kQq/r²

Both expressions for the force F contain 1/r², which means F falls off with the square of the distance.

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