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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define centrifugal force in the context of road design.
💡 Hint: Think about what happens physically when you turn a car.
Question 2
Easy
What is super-elevation?
💡 Hint: Recall how the road surface is angled at turns in curves.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary effect of centrifugal force on a vehicle in a curve?
- It pulls the vehicle inward
- It pushes the vehicle outward
- It has no effect
💡 Hint: Think about how you feel in a turning vehicle.
Question 2
True or False: Super-elevation helps counteract centrifugal force.
- True
- False
💡 Hint: Consider what happens to the outer and inner edges of the road.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation