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Conceptual understanding: applying the same system of field theory allows us to draw connections between the observed properties of electrical and gravitational fields.
Conceptual understanding: applying the same system of field theory allows us to draw connections between the observed properties of electrical and gravitational fields.
Knowledge:
Knowledge:
10.1 - Describing Fields
- Gravitational fields
- Electrostatic fields
- Electric potential and gravitational potential
- Field Lines
- Equipotential surfaces
10.2 - Fields at work
- Potential and potential energy
- Potential gradient
- Potential difference
- Escape speed
- Orbital motion, orbital speed and orbital energy
- Forces and inverse-square law behaviour
Applications and skills:
Applications and skills:
10.1 - Describing Fields
- Representing sources of mass and charge, lines of electric and gravitational force, and field patterns using an appropriate symbolism
- Mapping fields using potential
- Describing the connection between equipotential surfaces and field lines
10.2 - Fields at work
- Determining the potential energy of a point mass and the potential energy of a point charge
- Solving problems involving potential energy
- Determining the potential inside a charged sphere
- Solving problems involving the speed required for an object to go into orbit around a planet and for an object to escape the gravitational field of a planet
- Solving problems involving orbital energy of charged particles in circular orbital motion and masses in circular orbital motion
- Solving problems involving forces on charges and masses in radial and uniform fields
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