Dynamics of Pressure Review
Quiz by Bryan Tarman
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9 questions
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- Q1When a river gets more narrow, the water in the river flowsat the same rate.slower.faster.60s
- Q2Birds can fly because air pressure isgreater 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
- Q3Which 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
- Q4The shape of an airplane wing allows the plane to lift up because it causesthe 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
- Q5Hydraulic machines, like the one in the picture, rely on the principle thatpressure 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
- Q6When the speed of a fluid is high, the pressure islow.high.60s
- Q7When the speed of a fluid is low, the pressure ishigh.low.60s
- Q8As air moves faster, the pressuredecreases.increases.60s
- Q9As air moves slower, the pressuredecreases.increases.60s