BRAINCAKEGravitational Field Strength - g.
The gravitational field strength g at a point is the force per unit mass on a small mass placed there: g = F/m. The unit is N kg-1, which is the same as m s-2.
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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.
- Newton's law of gravitation
- The gravitational force between two point masses is proportional to the product of their masses and inversely proportional to the square of the distance between them.
More in Gravitational Fields
- Gravitational Potential
- Equipotentials.
- The Potential Gradient.
- Newton's Law of Gravitation.
- Gravitational Potential.
- Potential Gradients
- Area Under a Force vs Distance Graph
- Satellites
All 14 lessons in Gravitational Fields · All AQA A-level Physics topics