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5 Written questions

5 Matching questions

  1. What can you tell about an object if you know the density?
  2. What does Pascal's Principle state?
  3. How do chimneys take advantage of Bernoulli's principle?
  4. As depth in water increases, pressure
  5. What is buoyancy?
  1. a 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. b a force that acts in the opposite direction of gravity
  3. c if it would sink or float.
  4. d increases
  5. e when a force applied to a confined fluid the change is pressure is equally transmitted through the fluid.

5 Multiple choice questions

  1. decreases
  2. Pascals
  3. Newtons
  4. meters squared
  5. my multiplying the force over a greater area.

5 True/False questions

  1. 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.

          

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

          

  3. What does Bernoulli's principle state?when a force applied to a confined fluid the change is pressure is equally transmitted through the fluid.

          

  4. What is a fluid?a material that can easily flow

          

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