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Dynamics of Pressure Review

Quiz by Bryan Tarman

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9 questions
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  • Q1
    When a river gets more narrow, the water in the river flows
    at the same rate.
    slower.
    faster.
    60s
  • Q2
    Birds can fly because air pressure is
    greater above their wings than below their wings.
    greater than below than above their wings.
    the same on both sides of their wings.
    transmitted through their wings.
    60s
  • Q3
    Which of the following statements correctly describes the relationship between the rate of fluid flow and pressure according to Bernoulli's principle?
    A slow-moving fluid exerts less pressure than fast-moving fluid.
    The rate of fluid flow does not affect the pressure.
    A fast-moving fluid exerts less pressure than slow-moving fluid.
    A fast-moving fluid exerts more pressure than slow moving fluid.
    60s
  • Q4
    The shape of an airplane wing allows the plane to lift up because it causes
    the speed of the air to increase and the pressure to increase above the wing.
    the speed of the air to increase and the pressure to decrease above the wing.
    the speed of the air to increase and the pressure to decrease below the wing.
    the speed of the air to decrease and the pressure to decrease above the wing.
    60s
  • Q5
    Hydraulic machines, like the one in the picture, rely on the principle that
    Question Image
    pressure in a fluid increases equally in all areas.
    a submerged object experiences an upward buoyant force.
    atmospheric pressure is always 101,325 Pa.
    the pressure of a liquid increases with density.
    60s
  • Q6
    When the speed of a fluid is high, the pressure is
    low.
    high.
    60s
  • Q7
    When the speed of a fluid is low, the pressure is
    high.
    low.
    60s
  • Q8
    As air moves faster, the pressure
    decreases.
    increases.
    60s
  • Q9
    As air moves slower, the pressure
    decreases.
    increases.
    60s

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