AP Notes, Outlines, Study Guides, Vocabulary, Practice Exams and more!

Orbital mechanics

Physics Multiple Choice Practice

No votes yet

#14 AP MC Quiz Key DYNAMICS/CIRC. MOTION/GRAVITY 1. A hypothetical planet orbits a star with mass one-half the mass of our sun. The planet?s orbital radius is the same as the Earth?s. Approximately how many Earth years does it take for the planet to complete one orbit? A)1 2? B) 1 ?2? C) D) ?2 E) 2. An object shown in the accompanying figure moves in uniform circular motion. Which arrow best depicts the net force acting on the object at the instant shown? A. A B. B C. C D. D E. E 3. The ?reaction? force does not cancel the ?action? force because: A. The action force is greater than the reaction force. B. The action force is less than the reaction force. C. They act on different bodies. D. They are in the same direction.
Subscribe to RSS - Orbital mechanics

Need Help?

We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.

For general help, questions, and suggestions, try our dedicated support forums.

If you need to contact the Course-Notes.Org web experience team, please use our contact form.

Need Notes?

While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!