D1. Gravitational fields
D1. Gravitational fields
Guiding questions:
Guiding questions:
How are the properties of a gravitational field quantified?
How does an understanding of gravitational fields allow for humans to explore the solar system?
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Linking questions:
Linking questions:
What measurements of a binary star system need to be made in order to determine the nature of the two stars?
How is uniform circular motion like—and unlike—real-life orbits?
How is the amount of fuel required to launch rockets into space determined by considering energy?
How can air resistance be used to alter the motion of a satellite orbiting Earth?
What are the benefits of using consistent terminology to describe different types of fields? (NOS)
How can the motion of electrons in the atom be modelled on planetary motion and in what ways does this model fail? (NOS)
Physics utilizes a number of constants such as G. What is the purpose of these constants and how are they determined? (NOS)
Understandings:
Understandings:
Kepler’s three laws of orbital motion
Newton's universal law of gravitation for bodies treated as point masses
conditions under which extended bodies can be treated as point masses
that gravitational field strength g at a point is the force per unit mass experienced by a small point mass at that point
gravitational field lines.
Assessment and Learning Materials
Assessment and Learning Materials
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