Rotational Motion and Angular Momentum

Part 8: Rotational Motion and Angular Momentum

This part extends the principles of mechanics from straight-line motion to the motion of rotating objects. You will learn how angular position, velocity, and acceleration describe rotational motion, and how torque, rotational inertia, and angular momentum determine how objects rotate. Many of the concepts introduced earlier for linear motion have direct rotational counterparts, providing a unified framework for understanding mechanical systems.

Rotational motion plays an important role in biology, medicine, and engineering. Human movement involves the rotation of bones about joints, making these concepts essential for biomechanics, physical therapy, sports science, and orthopedic medicine. You will also explore the conservation of angular momentum, gyroscopic effects, rotational collisions, and the relationship between rotational work and kinetic energy. These principles explain phenomena ranging from the motion of athletes and spinning medical devices to the stability of bicycles, satellites, and rotating machinery.

This part contains the following chapters:

  1. Introduction to Rotational Motion and Angular Momentum
  2. Angular Acceleration
  3. Gyroscopic Effects: Vector Aspects of Angular Momentum
  4. Collisions of Extended Bodies in Two Dimensions
  5. Angular Momentum and Its Conservation
  6. Rotational Kinetic Energy: Work and Energy Revisited
  7. Kinematics of Rotational Motion
  8. Dynamics of Rotational Motion: Rotational Inertia

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Introductory Physics for the Health and Life Sciences I Copyright © 2012 by OSCRiceUniversity is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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