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Newton's Laws & Gravity 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!

Page 1

Question 1 1. Which of the following best explains how a rocket moves in space?

Question 2 2. The acceleration due to gravity is represented by

Question 3 3. Static friction occurs when objects are _____ while sliding friction occurs when objects are _____.

Question 4 4. Consider a 10 kg object free-falling from a cliff with an initial speed of 0 m/sec. What will the speed of the object be after 1 sec and after 2 sec?

Question 5 5. Which of the following explanations is contrary to Newton's first law of motion?

Page 2

Question 6 6. What are the two types of friction?

Question 7 7.

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 8 8. Which best describes free-fall?

Question 9 9. Newton's third law states that for every action there is _____.

Question 10 10. Consider a satellite orbiting the earth at 17,500 MPH. What would happen to a rock released from the satellite?

Page 3

Question 11 11. Which best describes friction?

Question 12 12. Consider an alien on a planet with an acceleration of gravity equal to 20 m/sec2. If the alien's mass is 10 kg, how much does the alien weigh?

Question 13 13. What does the amount of friction depend on?

Question 14 14. Which of the following is accurate of acceleration due to gravity on Earth?

Question 15 15. What is the standard unit of weight in physics?

Page 4

Question 16 16. Consider a bullet shot from a gun. The acceleration of the bullet is _____.

Question 17 17. According to Newton's first law of motion, what would happen to a car traveling at a constant velocity of 55 MPH to the west in the absence of an unbalanced force?

Question 18 18. Which of the following are units for force?

Question 19 19. Newton's second law of motion can best be described as ...

Question 20 20. 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?

Page 5

Question 21 21. Which object will have the most mass?

Question 22 22. The correct magnitude, vector, and units of g is

Question 23 23. Compared to Earth, about how much gravity is there on the moon?

Question 24 24. 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 25 25. 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?

Page 6

Question 26 26. Consider an object at rest. Which of the following is true concerning this object?

Question 27 27. Which of the following is accurate about the force of gravity?

Question 28 28. Why don't we notice the ground moving backwards when we walk forward?

Question 29 29. 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 30 30. What will cause a change in an object's state of motion?

Newton's Laws & Gravity 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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