17.3.2 - Numerical Experiments
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Practice Questions
Test your understanding with targeted questions
Define drag force in fluid mechanics.
💡 Hint: Think about what a fluid does when an object moves through it.
What factor influences the coefficient of drag?
💡 Hint: Remember the effects of different shapes in nature.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is drag force?
💡 Hint: Consider what happens when something moves through a medium.
True or False: Lift forces act perpendicular to the motion of an object.
💡 Hint: Think about how birds take off.
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Challenge Problems
Push your limits with advanced challenges
A 10kg object falls through air with a drag coefficient of 0.8. If the terminal velocity is achieved at a speed of 50 m/s, calculate the buoyant force acting on it.
💡 Hint: Start by calculating the weight of the object and relate it to drag.
Analyze how altering the shape of a vehicle could decrease drag forces encountered while in motion at high speeds.
💡 Hint: Think about why sports cars and airplanes have their specific designs.
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