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Buoyant Force and Immersed Objects Quiz
7 Questions
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Buoyant Force and Immersed Objects Quiz

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@SelectiveMountRushmore

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Questions and Answers

What is the main reason for increasing the volume of the air displaced?

  • To increase the speed of the gas in the Bunsen burner
  • To reduce the density of the air in the balloon
  • To produce bigger buoyant force (correct)
  • To decrease the temperature of the air in the balloon

    • How does using synthetic nylon benefit a balloon?

  • It provides air-proof properties to the material (correct)
  • It increases the weight of the balloon
  • It cools down the air inside the balloon
  • It decreases the volume of air in the balloon

    • According to Bernoulli's principle, what happens to pressure when the speed of a fluid is high?

  • Pressure decreases (correct)
  • Pressure oscillates
  • Pressure increases
  • Pressure remains constant

    • What is the relationship between speed and pressure in Bernoulli's principle?

    <p>As speed increases, pressure increases</p> Signup and view all the answers

    How do higher speed and lower pressure affect the distance between ping-pong balls?

    <p>Higher speed brings balls closer together</p> Signup and view all the answers

    What happens to water levels in vertical tubes P, Q, and R according to the information provided?

    <p>R &gt; P &gt; Q</p> Signup and view all the answers

    In Skill 1 - Understanding, what shape of cross-section is shown on Diagram 3 of an aeroplane wing?

    <p>Airfoil</p> Signup and view all the answers

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