Tidal Acceleration -- from Eric Weisstein's World of Physics

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Tidal Acceleration

The tidal acceleration is the differential acceleration between two points due to the difference in gravitational acceleration caused by their differing distances from a body. Taking the differential of the gravitational acceleration due to a body of mass M with radius R,

(1)

where G is the gravitational constant, then gives

(2)

So the tidal acceleration between two points separated by a distance is given by

(3)

Acceleration, Gravitational Acceleration, Tidal Heating, Tidal Torque, Tide


© 1996-2007 Eric W. Weisstein

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