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Ch 6: MTEL Physics: Rotational Motion, Collisions & Conservation

About This Chapter

Watch our lessons to refresh your knowledge of the kinetic energy of rotation, conservation of angular momentum and equilibrium. The videos and quizzes will boost your knowledge of these concepts and help you get ready for the MTEL Physics exam.

MTEL Physics: Rotational Motion, Collisions & Conservation - Chapter Summary

The lessons in this chapter offer a refresher course in the principles of rotational motion, angular momentum, and translational and rotational equilibrium as you prepare to take the MTEL Physics exam. Our video lessons and quizzes will help you answer questions of these types on the test:

  • Defining uniform circular motion
  • Understanding the differences between translational and rotational motion
  • Executing equations involving rotational kinematics
  • Naming five kinematics qualities and understanding the big five equations
  • Analyzing rotational dynamics and torque as well as rotational inertia and change of speed
  • Describing work and power in rotational motion
  • Using the principles of conservation of angular momentum
  • Understanding translational and rotational equilibrium

Our expert instructors make learning enjoyable in our brief video lessons. They'll arm you with the information you need to tackle these types of questions when you take the test.

Objectives of the MTEL Physics: Rotational Motion, Collisions & Conservation Chapter

You must pass the MTEL Physics exam if you want to be certified to teach the subject in Massachusetts. The test is divided into five subareas, and the topics covered in this chapter are in the section on energy, momentum and heat transfer, which accounts for 14% of your score.

All the questions in this subarea are multiple-choice, like the questions in the brief quizzes that accompany each of our video lessons. These quizzes let you test your knowledge and also practice answering questions in this format.

12 Lessons in Chapter 6: MTEL Physics: Rotational Motion, Collisions & Conservation
Uniform Circular Motion: Definition & Mathematics

1. Uniform Circular Motion: Definition & Mathematics

After watching this lesson, you will be able to explain what uniform circular motion is, in terms of both acceleration and forces. You will also be able to use equations for centripetal force and acceleration to solve problems. A short quiz will follow.

Differences Between Translational & Rotational Motion

2. Differences Between Translational & Rotational Motion

After watching this lesson, you'll be able to explain the difference between translational and rotational motion, explain how translational quantities are replaced by rotational ones in physics and apply Newton's First Law to rotation. A short quiz follows.

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.

Torque: Concept, Equation & Example

5. 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

6. 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.

Kinetic Energy of Rotation

7. 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.

Rolling Motion & the Moment of Inertia

8. 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.

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.

Angular Momentum vs. Linear Momentum

10. Angular Momentum vs. Linear Momentum

After watching this lesson, you will be able to explain the difference between angular and linear momentum and solve problems using angular momentum equations. A short quiz will follow.

Conservation of Angular Momentum

11. Conservation of Angular Momentum

After watching this video you will be able to explain what is meant by conservation of angular momentum. You will also be able to use this concept along with the equation to solve problems. A short quiz will follow.

Equilibrium: Translational & Rotational

12. Equilibrium: Translational & Rotational

Learn about the requirements for an object to be under translational or rotational equilibrium. Then work through a couple example problems that show how we can use translational and rotational equilibrium to find the forces acting on an object.

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