Fields

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  • 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
      • 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
    • 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
      • 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

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