Center of Mass, The Barycenter & Orbital Motion


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question 1 of 3

If celestial body A is 10 times heavier than celestial body B, you would expect their common center of mass as they orbit one another is:

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1. The center of mass is:

2. The center of mass of two or more celestial bodies is known as the:

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About This Quiz & Worksheet

To say the earth orbits around the sun is to simplify the concepts of orbits and centers of mass. This quiz and worksheet combo will help you understand the forces actually at work in planetary orbits. You'll be assessed on your understanding of centers of mass and on identifying the effects a heavier body has on a lighter body.

Quiz & Worksheet Goals

In these assessments you'll be tested on:

  • Choosing the correct effects a heavier body would have on a lighter body
  • Matching terms to their definitions
  • Using your knowledge of orbits in practice

Skills Practiced

This worksheet allows students to test the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related orbits, barycenters, and centers of mass lesson
  • Critical thinking - apply relevant concepts to examine information about orbits in a different light
  • Knowledge application - use your knowledge to answer questions about orbits and centers of mass

Additional Learning

To learn more about orbits, review the accompanying lesson on Center of Mass, The Barycenter & Orbital Motion. This lesson covers the following objectives:

  • Defining concepts like center of mass and barycenter
  • Using examples to demonstrate the center of mass
  • Explaining how centers of mass affect orbital wobble