Newton's Laws in Astronomy Lesson Plans Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Gravity is

Question 2 2. Consider two planets. Planet X has a mass of 100 Units while Planet Y has a mass of 1,000 Units. Which of the following is NOT true concerning these planets?

Question 3 3. What do free-body diagrams represent?

Question 4 4. What is needed to change an object's state of motion?

Question 5 5. What causes a change in an object's state of motion?

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Question 6 6. If there is 10 N force acting downward on an object and 15 N force acting upward, what is the net force on the object?

Question 7 7. Which of the following is accurate about the force of gravity?

Question 8 8. Which equation is used to determine the normal force in any situation?

Question 9 9. If a single object is at rest on a table, which of the following is (are) acting on it?

Question 10 10. Consider a fish swimming forward in the ocean. Which of the following is accurate of the interaction between the fish and the water?

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Question 11 11. The law of universal gravitation states that

Question 12 12. Which one of the following is NOT true about free-fall?

Question 13 13. If the weight of a crate is 100 N. A 100 N person sits on the crate. How much has the normal force on the crate changed with the added force of the person sitting on it?

Question 14 14. The correct magnitude, vector, and units of g is

Question 15 15. Which best describes weight?

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Question 16 16. Which of the following is NOT a contact force?

Question 17 17. Consider an object being pushed to the left with a force of 15 N and pushed to the right with a force of 10 N. What is the net force acting on this object?

Question 18 18. Which of the following is a fully described force?

Question 19 19.

Referring to its definition, which of the following can be true of acceleration?

I. The object's velocity is decreasing at some rate of m/s every second

II. The object's velocity is increasing at some rate of m/s every second

III. The object's velocity is changing at a certain rate every second

IV. The object is traveling a certain number of meters every second

Question 20 20. Consider a satellite orbiting the earth at 17,500 MPH. What would happen to a rock released from the satellite?

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Question 21 21. Which of the following explanations is contrary to Newton's first law of motion?

Question 22 22. Which best describes free-fall?

Question 23 23. Which best describes friction?

Question 24 24. To correctly solve free fall problems, you need to

Question 25 25. What is responsible for keeping an object at rest or maintaining an object's constant velocity?

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Question 26 26. Who was responsible for refining the idea of inertia into a scientific law?

Question 27 27. Why would a car traveling in a circle not have a constant velocity?

Question 28 28. An object is on a platform. The platform and the object are dropped towards the ground. What is the normal force exerted by the platform on the object as they are falling?

Question 29 29. What is a free-body diagram?

Question 30 30. What is the difference between speed and velocity?

Newton's Laws in Astronomy Lesson Plans Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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