9.4 - Increasing and Reducing Friction
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Practice Questions
Test your understanding with targeted questions
What is friction?
💡 Hint: Think about how it feels when you try to push an object.
Give an example of where we want to increase friction.
💡 Hint: Consider walking on different surfaces.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main function of friction?
💡 Hint: Think about why we don’t slip while walking.
True or False: Rolling friction is greater than sliding friction.
💡 Hint: Remember the advantages of using wheels.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A student designed a race car to minimize fluid drag. List three design features they should consider.
💡 Hint: Consider nature and how fast animals move through air or water.
Reflect on a time you slipped on a surface. What could have been done to increase friction?
💡 Hint: Analyze the type of surface you fell on.
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