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2 cards from this section. Quick, good the night before a test.
What is the conservation of angular momentum?
Think about spinning ice skaters.
What happens to gravitational potential energy as an object ascends?
Consider lifting an object higher.
What does Kepler's second law state?
Think about speed variations in orbits.
True or False: Gravitational forces can be shielded.
Think of how gravity acts on mass.
A spacecraft orbits Earth at a height of 800 km. Calculate its gravitational potential energy compared to a point far from Earth's influence.
Account for the Earth's radius in your calculations.
Propose an experiment to measure tidal effects on Earth and explain the underlying gravitational principles.
Think about observing high and low tides.
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