Physics · A-Level · AQA · AQA A-level Physics (7408) · Specification point · 3.7.2.3 · Fields and their consequences (A-level only) · Gravitational fields (A-level only)
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3.7.2.3 Gravitational potential (A-level only)
| Content | Opportunities for skills development |
|---|---|
Understanding of definition of gravitational potential, including zero value at infinity. Understanding of gravitational potential difference. Work done in moving mass given by Equipotential surfaces. Idea that no work is done when moving along an equipotential surface. in a radial field given by |
Significance of the negative sign.
Graphical representations of variations of g and V with r.
related to by:
∆ V from area under graph of g against r.
MS 3.8, 3.9 Students use graphical representations to investigate relationships between v, r and g. |