## Rotation of Rigid Bodies

• Angular velocity and acceleration
• Lecture (15:03)
• Introduction to angular variables and definition of angular velocity and acceleration
• Rotation with constant angular acceleration
• Lecture (13:03)
• Equations of motion for the case of constant angular acceleration
• Relating linear and angular kinematics
• Lecture (7:37)
• How to translate from angular variables to linear ones, and revisiting centripetal acceleration
• Energy in rotational motion and rotational inertia
• Lecture (13:49)
• Calculating the kinetic energy of objects undergoing rotation, and the definition of rotational inertia and application to a dumbbell
• Rotational inertia calculations
• Lecture (23:20)
• Examples of calculating the rotational inertia of solid objects
• Example of angular acceleration with rotational inertia
• Lecture (10:32)
• Using rotational inertia to solve for the angular velocity of a pulley undergoing torque from a falling mass
• Parallel-axis theorem
• Lecture (5:16)
• The parallel axis theorem to calculate the rotational inertia of an object about an axis offset from the center of mass
• Torque
• Lecture (16:18)
• Introduction to torque
• Rotation with constant angular acceleration
• Lecture (15:08)
• Angular acceleration as a consequence of torque applied to an object, and an example of an accelerating pulley attached to a falling mass
• Work and power in rotational motion
• Lecture (9:11)
• Calculating the work done by a torque applied to an object that rotates through an angular displacement, and also calculating the power