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Fluid Dynamics 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. An object with a volume of 0.5 m^3 is dropped into a water tank. If it takes 9,874 N to lift the object on land, how much force will it take to lift it in the water? (Density of water is 1,000 kg/m^3)

Question 2 2. What is the buoyant force of an object that displaces 3.5 liters of water?

Question 3 3. If you decrease the diameter of a garden hose the velocity of the water leaving the hose will _____.

Question 4 4. Which of the following objects would sink in water?

Question 5 5. Find the density of a fluid with a pressure of 12,500 Pa when measured at a height of 5 m.

Page 2

Question 6 6. In which of the following parts of our bodies will we have the LOWEST pressure?

Question 7 7. Your friend is studying about pressure and he tells you that pressure can be measured in kg per unit volume, mm of mercury, and atmospheres. What should you tell your friend?

Question 8 8.

Complete Pascal's equation below.

F1 / A1 = _____ / A2

Question 9 9. Which of the following principles states that a change in pressure applied to a fluid in a container is transmitted unchanged to all portions of the fluid and to the walls of its container?

Question 10 10. What is the flow rate of water through a hose that fills a 55-gallon aquarium in 5.7 minutes?

Page 3

Question 11 11. What is the equation of continuity?

Question 12 12. Why does the speed of an ideal fluid change as it passes through a narrower area of tube?

Question 13 13. Why does Pascal's principle when applied to a car lift not break conservation of energy?

Question 14 14. Which of the following is a correct definition of Pascal's principle?

Question 15 15. Which of the following is NOT an application of Pascal's principle?

Page 4

Question 16 16. What is Archimedes' Principle?

Question 17 17. Which equation represents Archimedes' Principle?

Question 18 18. The principle of floatation states that _____.

Question 19 19. Which of the following is the best definition for Torr?

Question 20 20. Hugo measures the pressure in his car's tire and finds that it is 32 Psi. What is the pressure if he converts this measurement from Psi to Torr?

Page 5

Question 21 21. If gas is added to a container which has a fixed volume, what happens to the pressure in that container?

Question 22 22. What is the mass of alcohol in an alcohol/water mixture given that the specific gravity is 0.79 and the mass of water is 50 g?

Question 23 23. Metal mercury is poured into a beaker and has a volume of 15 mL. The mass of mercury is 204 g. What is the specific gravity of mercury? The density of water is 1 g/mL.

Question 24 24. Which of the following will float in water? The density of water is 1 g/mL

Question 25 25. Which of the following represents some form of the hydrostatic equation?

Page 6

Question 26 26. In the hydrostatic equation, what does d represent?

Question 27 27. Which of the following is NOT true about liquids?

Question 28 28. What does the equation of continuity tell us about movement of an ideal fluid?

Question 29 29. Which of the following is a word that describes fluid systems that apply Pascal's principle?

Question 30 30. Which best describes the buoyant force?

Fluid Dynamics 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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