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      • 1. Rotational Kinematics
      • 2. Rotational Inertia
      • 3. Torque
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      • 7. Rotational Energy
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  • Home
  • About the site
  • Physics Lessons
    • Intro + Formula Sheet
    • 1. Mathematics Review >
      • 1. General Math Concepts
      • 2. Vectors
    • 2. Kinematics (1D) >
      • 1. Kinematic Terms
      • 2. Constant Velocity (X-T)
      • 3. Constant Velocity (V-T)
      • 4. Acceleration (X-T)
      • 5. Acceleration (V-T)
      • 6. Kinematic Equations
      • 7. Acceleration (A-T)
      • 8. Freely Falling Objects
      • Topic Review + Exam
    • 3. Kinematics (2D) >
      • 1. Projectiles (Intro)
      • 2. Projectile Equations
      • 3. Horizontal Projectiles
      • 4. Angled Projectiles
      • 5. Relative Velocity I
      • 6. Relative Velocity II
      • Topic Review + Exam
    • 4. Dynamics (1D) >
      • 1. Force Types
      • 2. Force Diagrams
      • 3. Angled Forces
      • 4. Rotated Systems
      • 5. Mass and Weight
      • 6. Balanced-Unbalanced
      • 7. Net Force Equations
      • 8. Newton's 1st Law
      • 9. Newton's 2nd Law
      • 10. Newton's 3rd Law
      • 11. Friction
      • 12. Problem Solving 1
      • 13. Problem Solving 2
      • 14. Air Resistance
      • Topic Review + Exam
    • 5. Dynamics (2D) >
      • 1. Circular Motion
      • 2. Fc Equations
      • 3. Circular Motion Eqns
      • 4. Car Turns
      • 5. Max/Min Speed
      • 6. Universal Gravitation
      • 7. UGrav + CIrcMo
      • 8. Kepler's Laws
      • Topic Review + Exam
    • 6. Energy and Work >
      • 1. Energy Introduction
      • 2. Mechanical Energies
      • 3. Conservation Eqns
      • 4. Mech Energy Eqns
      • 5. Non-mech Energies
      • 6. Work + Energy Change
      • 7. Work + Conservation
      • 8. Work + Force
      • 9. Problem Solving
      • 10. Escape Velocity
      • Topic Review + Exam
    • 7. Collisions >
      • 1. Collision Types, P=MV
      • 2. Conservation Law
      • 3. Pi = Pf Equation Forms
      • 4. Angled Collisions
      • 5. Impulse
      • 6. Momentum + Energy
      • Topic Review + Exam
    • 8. Oscillations >
      • 1. Oscillation Terms
      • 2. SHM Problem Solving
      • Practice Exam
    • 9. Rotational Motion >
      • 1. Rotational Kinematics
      • 2. Rotational Inertia
      • 3. Torque
      • 4. Balanced Torques
      • 5. Unbalanced Torques
      • 6. Net Torque
      • 7. Rotational Energy
      • 8. Rolling w/out Slipping
      • 9. Angular Momentum I
      • 10. Angular Momentum II
      • Topic Review + Exam
    • AP Free Response Types >
      • FRQ 1: PASA
      • FRQ 2: EDQ
      • FRQ 3: QQT
      • FRQ 4: SA
    • Additional Topics >
      • 10. Electric Forces >
        • 1. Electric Forces Intro
        • 2. Coulomb's Law
        • 3. Problem Solving
        • Practice Exam
      • 11. Circuits >
        • 1. Circuits Introduction
        • 2. Voltage, Loop Rule
        • 3. Current, Junction Rule
        • 4. Resistance, Resistivity
        • 5. Ohm's Law + Power
        • 6. Circuit Solving I
        • 7. Circuit Solving II
        • 8. Kirchhoff's Rules
        • Topic Review + Exam
      • 12. Waves >
        • 1. Waves Introduction
        • 2. Wave Terms, Equations
        • 3. Harmonic Frequencies
        • 4. Doppler Effect
        • Practice Exam
  • Tutoring Services
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Unit 9:  Rotational Motion

Rotational Motion is related to objects that spin around a central axis of rotation. In this unit, I will be focusing on rotational kinematics, rotational inertia, torque, rotational kinetic energy, angular momentum, angular impulse, and the conservation of angular momentum.

*Videos 4-11 are part of a PhysicsIn5 subscription. Please view Payment and Pricing for more information.

Video Descriptions and Links:
  1.   Rotational Kinematics  (The motion variables and equations for objects that spin)
  2.   Rotational Inertia, Center of Mass  (Rotational inertia, also known as the moment of inertia. Center of mass)
  3.   Torque  (Definition and differentiating between a force and a torque)
  4.   Balanced Torque Equations
  5.   Unbalanced Torque Equations  
  6.   Net Torque and Angular Acceleration  
  7.   Rotational Kinetic Energy  (Concept, equation, and sample problem)
  8.   Rolling without Slipping on an incline  (Talking through the major concepts associated with a specific problem)
  9.   Angular Momentum  (Law of Conservation of Angular Momentum, Angular Impulse)
  10.   Angular Collisions  (Conservation of Angular Momentum, Converting between linear and angular momentum)
  11.   Topic Review  (Rotational Motion)