5. Circular Motion and Gravitation

Orbits And Kepler’s Laws — Quiz

Test your understanding of orbits and kepler’s laws with 5 practice questions.

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Practice Questions

Question 1

What is the shape of a planet’s orbit according to Kepler’s First Law?

Question 2

Which of the following best describes the location of the Sun in a planet’s elliptical orbit?

Question 3

If a planet’s orbit has an eccentricity of 0.5, which of the following best describes its shape?

Question 4

Which law explains why a planet moves faster when it is closer to the Sun and slower when it is farther from the Sun?

Question 5

A planet orbits a star with a semi-major axis of 4 AU. According to Kepler’s Third Law, what is the approximate orbital period of the planet in Earth years?