About This Chapter
Below is a sample breakdown of the Rotational Motion chapter into a 5-day school week. Based on the pace of your course, you may need to adapt the lesson plan to fit your needs.
|Day||Topics||Key Terms and Concepts Covered|
|Monday||Differentiating between translational and rotational motion and defining rotational kinematics||Understanding the difference between translational motion and rotational motion, generating kinematic equations for rotational motion using definitions for rotational variables|
|Tuesday||5 kinematics qualities, the big 5 equations, rotational dynamics and torque||Exploring the relationship between the five kinematics qualities and the big five equations, examining rotational dynamics and torque|
|Wednesday||Rotational inertia, change of speed and kinematic energy of rotation||Analyzing why an object's rotational inertia affects how easily its rotational speed changes, examining kinetic energy of a rotating disk and falling mass|
|Thursday||Rolling motion, the moment of inertia and work and power in rotational motion||Using conservation of energy principles and concepts of rotational motion to determine the observed moment of inertia of two round objects, describing how to derive the kinetic energy, work and power of an object in rotation motion|
|Friday||Angular vs. linear momentum, conservation of angular momentum and equilibrium||Differentiating between angular and linear momentum, solving a word problem by applying the law of conservation of angular momentum, describing an object in translational and rotational equilibrium|
1. 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.
2. 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.
3. 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.
4. 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.
5. 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.
6. 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.
7. 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.
8. 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.
9. 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.
10. 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.
11. 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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