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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the angular velocity if a gear completes 10 rotations in 5 seconds.
π‘ Hint: Recall that one rotation is 2Ο radians.
Question 2
Easy
If the radius of a circle is 3 meters and angular velocity is 2 rad/s, what is the linear velocity?
π‘ Hint: Use the formula v = r β Ο.
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 angular velocity of an object that rotates through 20 radians in 5 seconds?
- 4 rad/s
- 5 rad/s
- 10 rad/s
π‘ Hint: Use the formula for angular velocity.
Question 2
True or False: Linear velocity can be determined without knowing the radius.
- True
- False
π‘ Hint: Recall the formula v = r β Ο.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A satellite orbits the Earth at a radius of 6000 km with a constant angular velocity of 0.001 rad/s. Calculate its linear velocity.
π‘ Hint: Remember to convert kilometers to meters before calculations.
Question 2
Two gears are connected; Gear A has a radius of 0.15 m and rotates at 10 rad/s. What is the linear velocity of Gear B if its radius is 0.30 m?
π‘ Hint: Use the gear ratio and relate their velocities.
Challenge and get performance evaluation