Ch 5: Understanding Rotation of a Rigid Body

About This Chapter

Use this chapter to review details about kinematics and the rotation of a rigid body. These short lessons and quizzes will help supplement class materials that you already have, so you can enhance your study experience.

Understanding Rotation of a Rigid Body- Chapter Summary

When studying this physics chapter, you'll see lessons that contain information about kinetic energy and rotation of a rigid body. You will learn about how torque and angular momentum impacts rotational motion, how work and power affect rotational motion and information about the momentum of inertia. After completing these lessons, you should be able to:

  • Use formulas that calculate angular velocity
  • Define angular acceleration
  • Explain what rotational variable relates to kinematics
  • Identify the five kinematics variables in rotational motion
  • Explain what kinetic energy of rotation means
  • Explore what torque is and how it relates to Newton's 1st law
  • Analyze why rotational inertia makes it hard to change the speed of rotation

We use brief and engaging lessons to make learning and reviewing the material in this chapter fun and effective. If you're struggling through the chapter or you have a question, reach out to our instructors via the Dashboard feature. These experts have designed this information and will be more than happy to assist you through your studying journey.

10 Lessons in Chapter 5: Understanding Rotation of a Rigid Body
Test your knowledge with a 30-question chapter practice test
Angular Velocity: Definition, Formula & Examples

1. Angular Velocity: Definition, Formula & Examples

Angular velocity applies to objects that move along a circular path. We will explore the definition of angular velocity and learn three different formulas we can use to calculate this type of velocity.

Angular Acceleration: Definition & Example

2. Angular Acceleration: Definition & Example

A non-constant velocity is an acceleration. If an object is spinning and its speed is changing, it is accelerating angularly. This lesson will go into detail on how to calculate average and instantaneous angular acceleration.

Rotational Kinematics: Definition & Equations

3. Rotational Kinematics: Definition & Equations

After watching this lesson, you should be able to explain what kinematics is, give a rotational variable that corresponds to each linear kinematic variable, and solve problems using rotational kinematics equations. A short quiz will follow.

Five Kinematics Quantities & the Big 5 Equations

4. Five Kinematics Quantities & the Big 5 Equations

After watching this lesson, you will be able to list the five kinematics variables in rotational motion and use the five equations of constant acceleration to solve problems involving rotational motion. A short quiz will follow.

Kinetic Energy of Rotation

5. Kinetic Energy of Rotation

After watching this lesson, you will be able to explain what kinetic energy of rotation is, provide the equation to calculate it, and solve simple kinetic energy of rotation problems. A short quiz will follow.

Torque: Concept, Equation & Example

6. Torque: Concept, Equation & Example

After watching this lesson, you will be able to explain what torque is conceptually and mathematically and use both the equation and Newton's First Law for rotation to solve problems involving torque. A short quiz will follow.

Rotational Inertia & Change of Speed

7. Rotational Inertia & Change of Speed

After watching this lesson, you will be able to explain what rotational inertia is, describe how it makes it harder to change the speed of rotation, and solve rotational inertia problems. A short quiz will follow.

The Relationship Between Angular Momentum & Torque

8. The Relationship Between Angular Momentum & Torque

In this lesson, we'll explore how torque and angular momentum affect objects in rotational motion. In doing this, we'll also discover the important relationship between torque and angular momentum.

Work & Power in Rotational Motion

9. Work & Power in Rotational Motion

After watching this lesson, you will be able to explain what work and power are in the context of rotational motion and use equations to solve problems involving rotational work and power. A short quiz will follow.

Rolling Motion & the Moment of Inertia

10. Rolling Motion & the Moment of Inertia

After watching this lesson, you should be able to figure out the moment of inertia of an object as it rolls down a ramp and compare it to a theoretical value. A short quiz will follow.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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