Newton's Laws in Astronomy 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. Which best describes friction?

Question 2 2. What is the standard unit of weight in physics?

Question 3 3. What is the friction due to air called?

Question 4 4. Which is NOT true about forces?

Question 5 5. Who was responsible for refining the idea of inertia into a scientific law?

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Question 6 6. Which types of objects have forces acting on them?

Question 7 7. Which best describes weight?

Question 8 8. Consider a fish swimming forward in the ocean. Which of the following describes the basic action/reaction forces between the fish and the water?

Question 9 9. Why would an object in an interaction move if the action and reaction forces are equal in magnitude?

Question 10 10. Which one of the following is NOT true about free-fall?

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Question 11 11. Imagine you are carrying a pan filled with water around a track. Which of the following is the best explanation of what happens to the water as you take a left turn holding the water in front of you?

Question 12 12. What is a free-body diagram?

Question 13 13. Which best describes the Law of Inertia?

Question 14 14. Which best describes inertia?

Question 15 15. Which of the following statements is true?

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Question 16 16. What is terminal velocity?

Question 17 17. Which of the following is a fully described force?

Question 18 18. Which best describes air resistance?

Question 19 19. Which of the following is accurate about the force of gravity?

Question 20 20. 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?

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Question 21 21. Why do we say that force is a vector quantity?

Question 22 22. Which best describes free-fall?

Question 23 23. Who discovered acceleration?

Question 24 24. What is net force?

Question 25 25. What does it mean to say that mass and acceleration are inversely proportional?

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Question 26 26. What will cause a change in an object's state of motion?

Question 27 27. Which of the following is NOT a contact force?

Question 28 28. Consider a 10 kg object free-falling from a cliff with an initial velocity of 0 m/sec. How fast will the object be traveling after 1 sec and after 2 sec?

Question 29 29. What does the amount of friction depend on?

Question 30 30. What is meant by the equation ΣF = 0?

Newton's Laws in Astronomy 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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