BRAINCAKEThe Strength of a Gravitational Field.
The path which a small 'test' mass placed in a gravitational field is called a field line. It is a line of force directed radially towards the centre of the planet.
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Key terms in this lesson
- Gravitational field
- A region of space in which a mass experiences a force due to the presence of another mass.
More in Gravitational Fields
- Gravitational Fields.
- Free fall in a gravitational field.
- The Earth's gravitational field
- Gravitational Potential Energy
- Gravitational Potential
- Equipotentials.
- The Potential Gradient.
- Newton's Law of Gravitation.
All 14 lessons in Gravitational Fields · All AQA A-level Physics topics