Practice Kepler’s Laws (9.1) - Energy Methods, Force Fields & Central Forces
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Kepler’s Laws

Practice - Kepler’s Laws

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What shape do planets' orbits take according to Kepler's First Law?

💡 Hint: Think about the general shape of a stretched circle.

Question 2 Easy

Describe what the Law of Equal Areas indicates about planetary motion.

💡 Hint: Consider how speed changes as a planet moves closer or farther from the sun.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does Kepler's First Law state about planetary motion?

Planets move in circles
Planets orbit in ellipses
Planets move in straight lines

💡 Hint: Think of a round object that has been slightly flattened.

Question 2

True or False: According to Kepler's Second Law, the planets move fastest when they are farthest from the sun.

True
False

💡 Hint: Remember how speed changes based on distance from the sun.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Calculate the orbital period of a planet that is three times further from the sun than Earth. Provide the necessary equation.

💡 Hint: Use the ratios of distance in relation to the known period of Earth.

Challenge 2 Hard

If a comet has a highly elliptical orbit with a semi-major axis of 5 AU, predict how long it would take to complete one orbit.

💡 Hint: Work with the semi-major axis in astronomical units and remember to take the square root for the period.

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Reference links

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