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Force, Rotation, Pressure & Density 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 NOT a contact force?

Question 2 2. What does it mean that force is a vector quantity?

Question 3 3. The newton was named after who?

Question 4 4. If Earth causes a falling object to accelerate at a rate of 9.8 meters per second squared, how fast will the object be falling after 4 seconds?

Question 5 5. How can we determine the mechanical advantage of a pulley system?

Page 2

Question 6 6. What do we look at to tell us how effective a simple machine is?

Question 7 7. If d = 0.25 m and the torque is 14 N m, what force is applied?

Question 8 8. If a 500 N force is able to produce a torque of 750 N m, what is d?

Question 9 9. If two objects have the same mass, but object A is much bigger than object B, what can you say about the particles in the two objects?

Question 10 10. Which of the following is a unit we could use to measure volume?

Page 3

Question 11 11. A knife exerts a force of 120 N on a piece of bread. The surface area of the knife blade is only 5x10-5 m2 (knife blades are really sharp!). How much pressure is being exerted by the knife on the bread?

Question 12 12. A box with a weight of 650 N is sitting on the ground and the bottom of the box measures 0.5 m by 0.7 m. What is the pressure exerted by the box on the ground?

Question 13 13. How can a moving object be in equilibrium?

Question 14 14. What is the difference between static and dynamic equilibrium?

Question 15 15. A graph has quantity A on the y-axis and quantity B on the x-axis. What will the area of the graph tell you?

Page 4

Question 16 16. What does the area under a force-time graph tell you?

Question 17 17. Which of the following statements is true?

Question 18 18. The length of a force arrow corresponds to the _____ of the force.

Question 19 19. An object has a mass of 2 kilograms, and a volume of 4 meters cubed. What is the density of the object?

Question 20 20. Which of the following is a DENSE material?

Page 5

Question 21 21. What is Newton's Second Law of Motion?

Question 22 22. If you exerted a force of 1000 Newtons on an object weighing 20 kilograms, how much was the acceleration?

Question 23 23. What does a larger spring constant mean?

Question 24 24. If we apply a 5 newton force to a spring, and it stretches 0.2 meters, what is the spring constant of the spring?

Question 25 25. What is the unit for a moment?

Page 6

Question 26 26. What theorem deals with the sum of individual moments on an object?

Question 27 27. Which of the following is a fully described force?

Question 28 28. A newton is a measure of ______.

Question 29 29. There are three classes of levers. What are the positions on a lever we look at to determine its class?

Question 30 30. If the force applied to the lever is 100 N and the distance from the pivot point to the location where the force is applied is 1.5 m, how much torque is generated?

Force, Rotation, Pressure & Density 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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