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Equipotentials.

Equipotentials are lines that join points with the same gravitational potential. The equipotentials around the Earth are circles which are spaced further apart at increasing distance from the surface.Near the Earth's surface the equipotentials are approximately equally spaced parallel lines.

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Specification: AQA Physics (7408), A-level, 3.7.2.3 Gravitational potential. Topic: Gravitational Fields.

Key terms in this lesson

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The electric force per unit charge acting on a small positive test charge placed at a point in an electric field.

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