2.7.1 - Rotational Motion in Machines
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Practice Questions
Test your understanding with targeted questions
What unit is angular velocity measured in?
💡 Hint: Think about the fundamental unit related to angles.
If a wheel completes one rotation, how many radians does it cover?
💡 Hint: Recall the relationship between rotations and radians.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the unit of measurement for angular velocity?
💡 Hint: Think of units related to angles.
True or False: Angular acceleration can be negative.
💡 Hint: Consider what happens when objects decelerate.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A rotating flywheel has an angular velocity of 12 rad/s. If it takes 4 seconds to come to a complete stop, what is its angular acceleration?
💡 Hint: Consider that stopping is a negative change in velocity.
A disk starts at rest and accelerates at a rate of 2 rad/s². How long does it take to reach an angular velocity of 10 rad/s?
💡 Hint: Use the formula for angular acceleration to find time.
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