BRAINCAKEEquipotentials.
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.
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Key terms in this lesson
- Gravitational potential
- The work done per unit mass to move a small test mass from infinity to a point in a gravitational field; it is zero at infinity and negative everywhere else.
More in Gravitational Fields
- Free fall in a gravitational field.
- The Earth's gravitational field
- Gravitational Potential Energy
- Gravitational Potential
- The Potential Gradient.
- Newton's Law of Gravitation.
- Gravitational Field Strength - g.
- Gravitational Potential.
All 14 lessons in Gravitational Fields · All AQA A-level Physics topics