14.3 - Horizontal curve
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Practice Questions
Test your understanding with targeted questions
Define centrifugal force in the context of road design.
💡 Hint: Think about what happens physically when you turn a car.
What is super-elevation?
💡 Hint: Recall how the road surface is angled at turns in curves.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary effect of centrifugal force on a vehicle in a curve?
💡 Hint: Think about how you feel in a turning vehicle.
True or False: Super-elevation helps counteract centrifugal force.
💡 Hint: Consider what happens to the outer and inner edges of the road.
1 more question available
Challenge Problems
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A vehicle weighing 1200 kg travels at 25 m/s around a curve of radius 50 m. What is the centrifugal force acting on it?
💡 Hint: Make sure to substitute correctly and watch your units.
If the maximum frictional coefficient on a road is 0.3, what is the maximum speed a vehicle can safely take a curve of radius 45 m without skidding?
💡 Hint: Ensure your units are consistent when you perform the calculations.
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