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Overview of Linear Momentum in Physics 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. A system is _____ if there are no external forces acting on the objects in the system.

Question 2 2. Which equation represents the relationship between impulse and momentum?

Question 3 3. The equation shown in the image below is used to solve problems involving _____.

Question 4 4. The equation below represents which conservation law?

Question 5 5. An external force must act in order to change the _____ of a system.

Page 2

Question 6 6. Which type of collision results in objects that stick together or become permanently deformed?

Question 7 7. What is the equation for momentum?

Question 8 8. Which best describes momentum?

Question 9 9. Which best describes impulse?

Question 10 10. If you are falling, which scenario will cause the greatest change in momentum when you land?

Page 3

Question 11 11. If you push a heavy box across a room is it an isolated system?

Question 12 12. When friction acts on two billiard balls, are the balls part of an isolated system?

Question 13 13. What is the difference between a system and an isolated system?

Question 14 14. When a soccer player kicks a soccer ball, which type of collision usually occurs?

Question 15 15. What is a collision?

Page 4

Question 16 16. How is it possible for momentum to be conserved in a system if the individual components experience a change?

Question 17 17. What does it mean to say that momentum is conserved?

Question 18 18. What is momentum?

Question 19 19. What is conserved within any system?

Question 20 20. A ball is moving at 5 m/s with a momentum of 12 kg m/s. What is the mass of the ball?

Page 5

Question 21 21. What does it mean to say that something is proportional?

Question 22 22. How was it possible for the bike and the semi-truck to have the same momentum?

Question 23 23. A 6 kg mass moves at 4 m/s î + 3 m/s ĵ. It collides inelastically with a 5 kg mass moving at 4 m/s î. What is the velocity of the combined masses immediately after the collision?

Question 24 24. A 4 kg object is moving at 3 m/s î, and collides with a 3 kg object traveling at -10 m/s î. They collide inelastically. What is the velocity of the combined mass immediately after the collisions.

Question 25 25. A 19 kg mass is moving at 10 m/s î, and collides elastically with a 8 kg mass at rest. What is the velocity of the 8 kg mass immediately after the collision?

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Question 26 26. A 2 kg toy car with a velocity of 5 m/s collides elastically with a second toy car that has a velocity of -2 m/s. After the collision, the 2 kg toy car has a velocity of 3 m/s and the second car has a velocity of 2 m/s. Using the conservation of momentum, what is the mass of the second car?

Question 27 27. Which conservation law applies to elastic collisions, but NOT to inelastic collisions?

Question 28 28. What happens to two objects after they collide in an elastic collision?

Question 29 29. If you are decreasing your momentum, which scenario would provide the safest landing?

Question 30 30. Why doesn't the car move when you push from the inside?

Overview of Linear Momentum in Physics 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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