Lesson 4 Lab.docx - Name Lesson 4 Lab Planetary Orbit...

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Name: Lesson 4 Lab - Planetary Orbit Simulator Background Material Answer the following questions after reviewing the “Kepler's Laws and Planetary Motion” and “Newton and Planetary Motion” background pages. Question 1: (1 point) Draw a line connecting each law on the left with a description of it on the right.
Question 2: (1 point) When written as P 2 = a 3 Kepler's 3rd Law (with P in years and a in AU) is applicable to … a) any object orbiting our sun. b) any object orbiting any star. c) any object orbiting any other object.
Question 3: (1 point) The ellipse to the right has an eccentricity of about …
Question 4: (1 point) For a planet in an elliptical orbit to “sweep out equal areas in equal amounts of time” it must …
NAAP – Planetary Orbit Simulator 1/9
Question 5: (1 point) If a planet is twice as far from the sun at aphelion than at perihelion, then the strength of the gravitational force at aphelion will be ____________ as it is at perihelion. a) four times as much b) twice as much c) the same d) one half as much e) one quarter as much
Kepler’s 1st Law .

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