10 Fields

Topic 10: Fields

Topic 10 class notes

Electric Fields (ppt)
Electric Potential (ppt)

Assessment Statements:

9.2 Gravitational field, potential and energy

9.2.1

Define gravitational potential and gravitational potential energy

9.2.2

State and apply the expression for gravitational potential due to a point mass

9.2.3

State and apply the formula relating gravitational field strength to gravitational potential gradient

9.2.4

Determine the potential due to one or more point masses

9.2.5

Describe and sketch the pattern of equipotential surfaces due to one and two point masses

9.2.6

State the relation between equipotential surfaces and gravitational field lines

9.2.7

Explain the concept of escape speed from a planet

9.2.8

Derive an expression for the escape speed of an object from the surface of a planet

9.2.9

Solve problems involving gravitational potential energy and gravitational potential

9.3 Electric field, potential and energy

9.3.1

Define electric potential and electric potential energy

9.3.2

State and apply the expression for electric potential due to a point charge

9.3.3

State and apply the formula relating electric field strength to electric potential gradient.

9.3.4

Determine the potential due to one or more point charges

9.3.5

Describe and sketch the pattern of equipotential surfaces due to one and two point charges

9.3.6

State the relation between equipotential surfaces and electric field lines.

9.3.7

Solve problems involving electric potential energy and electric potential.

9.4 Orbital Motion

9.4.1

State that gravitation provides the centripetal force for circular orbital motion

9.4.2

Derive Kepler's third law.

9.4.3

Derive expressions for the kinetic energy, potential energy, and total energy of an orbiting satellite

9.4.4

Sketch graphs showing the variation with orbital radius of the kinetic energy, gravitational potential energy, and total energy of a satellite

9.4.5

Discuss the concept of "weightlessness" in orbital motion, in free fall, and in deep space

9.4.6

Solve problems involving orbital motion

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