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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: OCR Physics A (H556), A-level, 5.4.1 Point and spherical masses and 5.4.4 Gravitational potential and energy. Topic: Gravitational Fields.

Key terms in this lesson

electric field: A region of space in which a charged object experiences a force due to the presence of another charge.
electric field strength: The force per unit charge on a small, positive test charge placed at a point in an electric field.

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All 14 lessons in Gravitational Fields · All OCR A-level Physics topics