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

Question 2 2. Which of the following explanations is contrary to Newton's first law of motion?

Question 3 3. 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 4 4. 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 5 5. Newton's second law of motion can best be described as ...

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Question 6 6. Consider an object at rest. Which of the following is true concerning this object?

Question 7 7. Which of the following are units for force?

Question 8 8. 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 9 9. What is an example of the equation E = mc^2 in action?

Question 10 10. How much energy is in one gram?

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Question 11 11. How much energy is 10 grams?

Question 12 12. Who introduced the theory of relativity?

Question 13 13. Which of the following best describes an inertial frame of reference?

Question 14 14. Which of the following accounts for the key difference between Special and General Relativity?

Question 15 15. Which of the following theories accounts for the constant speed of light in an inertial frame of reference?

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Question 16 16. According to Einstein's theory of relativity, which of the following is the fourth dimension in space-time?

Question 17 17. Which of the following is accurate about the force of gravity?

Question 18 18. 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 19 19. 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 20 20. 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?

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Question 21 21. Object A has a mass of 3 x 10^10 kilograms, and object B has a mass of 8 x 10^10 kilograms. If they are 8,000 meters apart, what is the gravitational attraction between them? (G = 6.67 x 10^-11)

Question 22 22. If you increase the distance between two objects by a factor of three, what happens to the force between them?

Question 23 23. If the distance between two objects is doubled, and the mass of one of the objects is doubled, what happens to the gravitational force?

Question 24 24. What is Newton's Law of Gravitation?

Question 25 25. Which of the following best explains how a rocket moves in space?

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Question 26 26. Consider a bullet shot from a gun. The acceleration of the bullet is _____.

Question 27 27. Newton's third law states that for every action there is _____.

Question 28 28. 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 29 29. What is responsible for keeping an object at rest or maintaining an object's constant velocity?

Question 30 30. Which of the following formulas is used to calculate net force?

Overview of 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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