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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What provides the centripetal force for a car turning on a flat road?
💡 Hint: Consider the forces acting on a car while turning.
Question 2
Easy
Define centripetal acceleration.
💡 Hint: Think about what happens to velocity in circular motion.
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 centripetal force?
💡 Hint: Think about what direction this force acts.
Question 2
True or False: Friction is not needed when an object is in uniform circular motion.
💡 Hint: Consider special scenarios like banking.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 10 kg stone is attached to a 1 m string and swung in a horizontal circle at a constant speed. If the stone's speed is 4 m/s, calculate the tension in the string.
💡 Hint: Use the centripetal force formula.
Question 2
A car rounds a curve with a radius of 100 m and a speed of 25 m/s. What minimum coefficient of friction is required to prevent slipping if the road is flat?
💡 Hint: Determine the frictional requirements using the accelerative formula.
Challenge and get performance evaluation