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Basics of Newton's Third Law 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 is TRUE about action forces and reaction forces?

Question 2 2. Which of the following terms describes the interaction of two objects exerting equal and opposite forces against each other?

Question 3 3. Why does a ball dropped from a significant height bounce when it hits the floor?

Question 4 4. If someone jumps up in the air, what is TRUE about the forces involving their feet and the floor?

Question 5 5. A man is trying to pull an elephant off of the road but it doesn't move. The man pulls on the rope with a force of 5000 N. How much force does the elephant pull on the rope?

Page 2

Question 6 6. Two blocks are being held over a frictionless pulley. One block has a mass of 2 kg and tension T1 and one has a mass of 4 kg and tension T2. How does T1 compare to T2?

Question 7 7. The amount of force colliding objects impose on one another depends on what?

Question 8 8. Which is Newton's Third Law?

Question 9 9. Two blocks are being held over a frictionless pulley. One block has a mass of 2 kg and acceleration a1 and one has a mass of 4 kg and acceleration a2. How do the accelerations of the blocks compare to each other?

Question 10 10. Newton's third law states that for every action there is _____.

Page 3

Question 11 11. 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 12 12. Compared to the force of gravity the Earth exerts on you, the force of gravity that you exert on the Earth is _____.

Question 13 13. Which of the following best explains how a rocket moves in space?

Question 14 14. Consider a bullet shot from a gun. The acceleration of the bullet is _____.

Question 15 15. What is Newton's third law of motion?

Page 4

Question 16 16. What does it mean to say that mass and acceleration are inversely proportional?

Question 17 17. When a cannon fires a cannonball there is an interaction between the two objects, so there are action and reaction forces. The cannon recoils only slightly as it shoots out the cannonball, but the cannonball goes flying through the air. Why is the acceleration greater on the cannonball?

Question 18 18. What does it mean to say that 'action always equals reaction'?

Question 19 19. Which statement is NOT true about action and reaction forces?

Question 20 20. An object resting on a table weighs 100 pounds. With what force is the object pushing on the table?

Page 5

Question 21 21. What force do books on a table exert on the table?

Question 22 22. Fill in the blank: For every action force, there is an equal and opposite ____ force.

Question 23 23. 1. In which way do forces always act?

Question 24 24. Fill in the blank: When you hit a baseball, the ____ exerts a force on the ball.

Basics of Newton's Third Law 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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