# 11.2.4. Newton’s Universal Gravitation Law

Determine the gravitational force between two balls of masses kg and kg, given that the distance between their centres is cm, and the universal gravitational constant is .

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A satellite of mass kg revolves at a height of km above the earth's surface. Given that the universal gravitational constant is , and the earth's mass and radius are kg and km, determine the gravitational force exerted by the earth on the satellite.

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A satellite is revolving in space around the earth in an orbit that’s km away from the earth’s surface, where the gravitational force between the satellite and the earth is N. Given that the earth’s mass is kg, its radius is km, and the universal gravitational constant is , determine the mass of the satellite.

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The masses of two bodies are kg and kg, where the gravitational force between them is N. Calculate the distance between their centers, given that the universal gravitational constant is .

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Given that a planet's mass and diameter are 4 and 8 times those of the Earth respectively, calculate the ratio between the acceleration due to gravity on that planet and that on the Earth.

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Determine the gravitational force between two identical balls, given that the distance between their centres is cm, each of them has a mass of kg, and the universal gravitational constant is .

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