Let DgM represent the difference in the gravitational
Chapter 13, Problem 55(choose chapter or problem)
Let DgM represent the difference in the gravitational fields produced by the Moon at the points on the Earths surface nearest to and farthest from the Moon. Find the fraction DgM/g, where g is the Earths gravitational field. (This difference is responsible for the occurrence of the lunar tides on the Earth.)
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