Fields
- Created by: l10lasan
- Created on: 31-10-16 21:06
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- Fields
- Gravitational Fields
- Newton's Law
- Gravity (what it is)
- Magnitude of force between point masses
- G
- Gravitational Field Strength
- g
- Magnitude of g in radial field
- Gravitational Potential
- Definition
- Difference
- Equipotential surfaces
- Work done
- Equipotential surfaces
- V in a radial field
- relation to g
- Graphical representations of variations of g & V with r
- area under graph of g against r
- V in a radial field
- relation to g
- V in a radial field
- area under graph of g against r
- Orbits of planets & satellites
- Orbital speed & period related to radius of orbit
- Derivation of T proportional to r
- Energy consideration
- Total energy
- Escape velocity
- Synchronous orbits
- Use of satellites in low & geostationary orbits
- Orbital speed & period related to radius of orbit
- Newton's Law
- Electric Fields
- Coulomb's law
- Force between point charges
- Air treated as a vacuum in calculations
- For a charged sphere, charge considered to be at centre
- Permittivity of free space
- Force between point charges
- Electric field strength
- Electric field lines
- E as force per unit charge defined by...
- Magnitude of E in a uniform field given by..
- Magnitude of E in a radial field given by..
- Electric potential
- Equipotential surfaces
- Magnitude of V in a radial field given by...
- V related to E by...
- Area under graph of E against r=...
- Graphical representation of E and V with r
- Coulomb's law
- Gravitational Fields
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