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5 Written questions

5 Matching questions

  1. How do planes (flying disks- same concept) take advantage of Bernoulli's principle?
  2. What can you tell about an object if you know the density?
  3. How do hydraulic systems take advantage of Pascal's principle?
  4. What is buoyancy?
  5. What is area measure by?
  1. a if it would sink or float.
  2. b meters squared
  3. c my multiplying the force over a greater area.
  4. d a force that acts in the opposite direction of gravity
  5. e the shape of their wings are curved on the top which creates a greater distance and air has to cover to match the speed of the bottom of the wing. Therefore, the fluid on the top of the wing moves faster and creates a lower pressure while the bottom of the wing has a greater pressure causing a lift. this lift make the wing rise and the airplane with it.

5 Multiple choice questions

  1. a material that can easily flow
  2. the earth's atmosphere is constantly applying pressure (example)
  3. when a force applied to a confined fluid the change is pressure is equally transmitted through the fluid.
  4. decreases
  5. By increasing its density with water and overcoming the buoyant force by adding more weight and not changing the volume and therefore not displacing anymore water to increase the buoyant force.

5 True/False questions

  1. As depth in water increases, pressuredecreases

          

  2. What is pressure measured by?meters squared

          

  3. What is the SI unit of pressure?Pascals

          

  4. what is the formula for pressure?mass/volume

          

  5. What is the formula for density?mass/volume

          

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