| 1. | Other surfaces considered in physics are equipotential surfaces and wavefronts.
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| 2. | The geoid is a particular equipotential surface, and is somewhat involved to compute.
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| 3. | Furthermore, equipotential surfaces are always perpendicular to the net electric field lines passing through it.
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| 4. | :See geoid and equipotential surface.
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| 5. | The reference surface for orthometric heights is the geoid, an equipotential surface approximating mean sea level.
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| 6. | In general isopycnic surfaces will occur in fluids in hydrostatic equilibrium coinciding with equipotential surfaces formed by gravity.
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| 7. | Being an equipotential surface, the geoid is by definition a surface to which the force of gravity is everywhere perpendicular.
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| 8. | These bodies have strong gravitational fields that diminish with distance and act to alter the shape of an equipotential surface on the Earth.
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| 9. | The aluminum will want to have an equipotential surface but the charge will be moved the the edge closest to the cavity edge.
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| 10. | The ocean's surface is closely approximated by an equipotential surface, ( ignoring ocean currents ) commonly referred to as the geoid.
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