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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for angular acceleration?
π‘ Hint: Remember it relates change in angular velocity to time.
Question 2
Easy
If a wheel makes 2 revolutions in one second and speeds up to 4 revolutions in two seconds, what is the angular acceleration?
π‘ Hint: Convert revolutions to radians.
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 angular acceleration?
- The speed of an object
- Rate of change of angular velocity
- Total rotation
π‘ Hint: Recall what acceleration means in general.
Question 2
Is angular acceleration a scalar quantity?
- True
- False
π‘ Hint: Think about other physical quantities like velocity.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An aerospace engineer needs to simulate the angular acceleration of a new aircraft's wing rotation. The wing's angular velocity goes from 12 rad/s to 30 rad/s in 8 seconds. Calculate the necessary angular acceleration.
π‘ Hint: Fill in the formula of ΞΟ over Ξt.
Question 2
A planet's rotation speed increases from 7.5 rad/s to 9.5 rad/s over 5 seconds due to gravitational effects. What is the angular acceleration?
π‘ Hint: Look at the difference in the speed during the specified time.
Challenge and get performance evaluation