a satellite experiences a gravitational force of magnitude f on the surface of earth. the radius of earth is r. the satellite now circles earth at an unknown height above the surface of the earth and experiences a gravitational force of magnitude 1/16 f. the unknown height is:

Answer(a)   the matererials that are in contact, the two materials and the nature of their surfaces/// (b)/// the force pushing the two surfaces together, pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other

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