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5 Written questions

5 Matching questions

  1. What is the formula for density?
  2. What does Archimedes' principle state?
  3. What are some example's of hydraulic lifts?
  4. What does Pascal's Principle state?
  5. What is area measure by?
  1. a that the buoyant force that is acting on an object is equal to the weight of the water that is displaced
  2. b when a force applied to a confined fluid the change is pressure is equally transmitted through the fluid.
  3. c mass/volume
  4. d meters squared
  5. e fire truck, machines that raise cars

5 Multiple choice questions

  1. chimneys, planes (flying disks), and atomizers
  2. Pascals
  3. 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.
  4. a force that acts in the opposite direction of gravity
  5. Newtons

5 True/False questions

  1. How do chimneys take advantage of Bernoulli's principle?the wind on top of the chimney creates a lower pressure at the top, on the bottom is a greater pressure which forces the smoke and heat to rise

          

  2. How do planes (flying disks- same concept) take advantage of Bernoulli's principle?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.

          

  3. A submerged object displaces an amount of liquid..equal to the volume of what is submerged.

          

  4. What is pressure?The amount of force exerted on a surface

          

  5. How could you measure pressure?with a barometer

          

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