9.5 - Wheels Reduce Friction
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Practice Questions
Test your understanding with targeted questions
What is rolling friction?
💡 Hint: Think about how wheels work.
Give an example of an object that uses rolling friction.
💡 Hint: Consider everyday items that move.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary advantage of wheels over sliding surfaces?
💡 Hint: Think about what makes it easier to transport items.
True or False: Rolling friction is greater than sliding friction.
💡 Hint: Recall the definitions.
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Challenge Problems
Push your limits with advanced challenges
Design a wheeled mechanism that can transport a specific load up a slope. Describe how you would minimize friction in your design.
💡 Hint: Think about how to balance weight and friction.
If you were to improve the design of a suitcase to make it even easier to roll, what features would you add?
💡 Hint: Consider materials and size for optimal performance.
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