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Write the formula to find the magnitude of the gravitational force between the earth and an object on the surface of the earth.

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asked Oct 14, 2017 in Physics by jisu zahaan (28,760 points) ● 28 ● 435 ● 1067

Write the formula to find the magnitude of the gravitational force between the earth and an object on the surface of the earth.

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answered Oct 14, 2017 by sforrest072 (157,439 points) ● 63 ● 448 ● 1256

Let be the mass of the Earth and m be the mass of an object on its surface. If R is the radius of the Earth, then according to the universal law of gravitation, the gravitational force (F) acting between the Earth and the object is given by the relation: 

F = GMEm / R2

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