Practice - Mini Design Project (Assessment B)
Practice Questions
Test your understanding with targeted questions
What is rolling resistance?
💡 Hint: Think about forces that oppose movement.
Name one method to reduce friction in trolleys.
💡 Hint: Consider materials in wheel design.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is rolling resistance?
💡 Hint: Think about how objects interact with surfaces.
True or False: Using lubricants can help reduce rolling resistance.
💡 Hint: Consider materials that help reduce friction.
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Challenge Problems
Push your limits with advanced challenges
Determine the overall efficiency of a trolley after installing ball bearings and lubricating the wheels. Test it over a distance of 10 meters on a steady incline and record the times. Compare this to a baseline test with standard wheels.
💡 Hint: Ensure you note the initial and final times for accurate calculations.
In designing a sustainable transport solution, discuss how minimizing rolling resistance could lead to energy savings in public transport systems.
💡 Hint: Think about examples from electric or hybrid transportation systems.
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Reference links
Supplementary resources to enhance your learning experience.