Quiz: Fluid Mechanics - Air Resistance and Drag
OCR H555 A-Level Physical Education
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Building on what you've learned, let's test your knowledge of Fluid Mechanics, specifically air resistance and drag!
What is air resistance?
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Which of the following factors affect air resistance? (Select all that apply)
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Drag is a {{blank0}} force caused by air resistance acting in the {{blank1}} direction of motion.
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Match the items on the left with their correct pairs on the right
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Calculate the drag force when a cyclist experiences a drag coefficient of 0.9, air density of 1.2 kg/m³, frontal area of 0.5 m², and velocity of 10 m/s. Use the formula: \( F_d = \frac{1}{2} \times C_d \times \rho \times A \times v^2 \).
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Which of the following objects experiences the least drag force?
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What happens to drag force as velocity increases?
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Which of the following strategies can reduce drag? (Select all that apply)
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The {{blank0}} principle explains how lift and drag are influenced by air pressure differences around an object.
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