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Mathematics 9 Online
OpenStudy (anonymous):

The mass of eArth is 81 times that of the moon. If a satellite of mass m is halfway between the earth and moon at a given instant time, what is the ratio of the earths force not the satellite to the moons force on satelitr

OpenStudy (radar):

I believe the gravitational is directly proportional to the mass and inversely proportional to the distance. If that is the case since distance is equal (halfway) then the ratio of the force is 1:81.

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