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Unformatted text preview: Applied Geophysics Gravity theory and measurement Relating g to U 2 r Gm r U = = g It follows that: For smaller scale problems we usually deal with g, and sum the vertical component of g r Gm U = Given: U is a scalar field which makes it easier to work with: Potentials are additive Gravity is a conservative force And gravitational acceleration can be easily determined from the potential...
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 Spring '09
 wei
 Gravity, Work

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