1 / 19

Preview

Forces in Fluids. Chapter 7. Preview. CRCT Preparation. CRCT Preparation. Chapter 7. 1. The information in the table above was collected during a laboratory investigation on different fluids. According to this information, which of the following conclusions is true?.

ginger-thornton
Download Presentation

Preview

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Forces in Fluids Chapter 7 Preview CRCT Preparation

  2. CRCT Preparation Chapter 7 1. The information in the table above was collected during a laboratory investigation on different fluids. According to this information, which of the following conclusions is true? AGasoline, mercury, and rubbing alcohol will float in water. BGasoline, rubbing alcohol, and water will float in mercury. CMercury, rubbing alcohol, and water will float in gasoline. DGasoline, mercury, and water will float in rubbing alcohol.

  3. CRCT Preparation Chapter 7 1. The information in the table above was collected during a laboratory investigation on different fluids. According to this information, which of the following conclusions is true? AGasoline, mercury, and rubbing alcohol will float in water. B Gasoline, rubbing alcohol, and water will float in mercury. CMercury, rubbing alcohol, and water will float in gasoline. DGasoline, mercury, and water will float in rubbing alcohol.

  4. CRCT Preparation Chapter 7 2. A rock weighs 30 N. It displaces a volume of water that weighs 5 N. What is the buoyant force on the object? A5 N B6 N C30 N D35 N

  5. CRCT Preparation Chapter 7 2. A rock weighs 30 N. It displaces a volume of water that weighs 5 N. What is the buoyant force on the object? A 5 N B6 N C30 N D35 N

  6. CRCT Preparation Chapter 7 3. Leon did an experiment to determine what would happen to a rubber ball that he placed underwater. Leon held the ball under 10 cm of water in his kitchen sink. When he released the ball, it rose to the surface. What inference can Leon make based on his observations of the ball’s movement? AThe buoyant force acting on the ball was greater than the force of gravity acting on the ball. BThe force of gravity acting on the ball was greater than the buoyant force acting on the ball. CThe buoyant force acting on the ball was equal to the force of gravity acting on the ball. DThere was no force of gravity acting on the ball.

  7. CRCT Preparation Chapter 7 3. Leon did an experiment to determine what would happen to a rubber ball that he placed underwater. Leon held the ball under 10 cm of water in his kitchen sink. When he released the ball, it rose to the surface. What inference can Leon make based on his observations of the ball’s movement? A The buoyant force acting on the ball was greater than the force of gravity acting on the ball. BThe force of gravity acting on the ball was greater than the buoyant force acting on the ball. CThe buoyant force acting on the ball was equal to the force of gravity acting on the ball. DThere was no force of gravity acting on the ball.

  8. CRCT Preparation Chapter 7 4. Which of the following accurately describes the forces acting on a beach ball that is at rest on the surface of the water in a swimming pool? AThe forces are unbalanced. BThe forces are balanced. CNo forces are acting on the ball. DAll of the forces are acting in the same direction.

  9. CRCT Preparation Chapter 7 4. Which of the following accurately describes the forces acting on a beach ball that is at rest on the surface of the water in a swimming pool? AThe forces are unbalanced. B The forces are balanced. CNo forces are acting on the ball. DAll of the forces are acting in the same direction.

  10. CRCT Preparation Chapter 7 5. The table shows mass and volume measurements for four objects. Which of these objects will float in water, given that the density of liquid water is 1 g/cm3? Aobject 1 Bobject 2 Cobject 3 Dobject 4

  11. CRCT Preparation Chapter 7 5. The table shows mass and volume measurements for four objects. Which of these objects will float in water, given that the density of liquid water is 1 g/cm3? Aobject 1 Bobject 2 Cobject 3 D object 4

  12. CRCT Preparation Chapter 7 6. In which of the following situations are there unbalanced forces? AA submarine rises to the surface as crewmembers empty the ballast tanks. BA shipwreck lies undisturbed on the bottom of the ocean. CTwo children paddle a canoe in opposite directions, but the canoe does not move. DA fish floats just below the surface, suspended in the water.

  13. CRCT Preparation Chapter 7 6. In which of the following situations are there unbalanced forces? A A submarine rises to the surface as crewmembers empty the ballast tanks. BA shipwreck lies undisturbed on the bottom of the ocean. CTwo children paddle a canoe in opposite directions, but the canoe does not move. DA fish floats just below the surface, suspended in the water.

  14. CRCT Preparation Chapter 7 7. Which of the following statements accurately explains why a steel boat can float in water? ASteel is denser than water. BSteel is less dense than water. CThe boat displaces a volume of water that weighs less than the boat. DThe buoyant force acting on the boat is equal to the weight of the boat.

  15. CRCT Preparation Chapter 7 7. Which of the following statements accurately explains why a steel boat can float in water? ASteel is denser than water. BSteel is less dense than water. CThe boat displaces a volume of water that weighs less than the boat. D The buoyant force acting on the boat is equal to the weight of the boat.

  16. CRCT Preparation Chapter 7 8. Many power tools and power lifts have pneumatic parts that use high-pressure air to move things. Like hydraulic devices, these pneumatic devices use an enclosed fluid to transmit force. While a hydraulic device uses a liquid, a pneumatic device uses a gas. How does Pascal’s principle apply to pneumatic devices?

  17. CRCT Preparation Chapter 7 8. Answer – According to Pascal’s principle, a change in pressure at any point in an enclosed fluid will be transmitted equally to all parts of that fluid. The enclosed fluid in a pneumatic device is air.

  18. CRCT Preparation Chapter 7 9. A ship’s hollow shape allows it to float in water. Why does the same ship, when filled with water, sink in water?

  19. CRCT Preparation Chapter 7 9. Answer – The combined weight of the ship and the water that fills it is greater than the weight of the water the filled ship displaces. When an object displaces a volume of water that has less weight than the object has, the object will sink.

More Related