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Physics LibreTexts

6: Angular Momentum

  • Page ID
    • 6.1: Linking Linear and Angular Momentum
      We continue our exploration of rotational motion my extending the idea of linear momentum.
    • 6.2: Effects of Torque
      Just as linear momentum is affected by net force, so is angular momentum affected by net torque. Describing now torque changes the magnitude of angular momentum is rather trivial – it gets interesting when the torque alters the direction of the angular momentum.
    • 6.3: Applications of Angular Momentum Conservation
      Just as we found applications of the conservation principles for energy and linear momentum, angular momentum conservation provides us with some nice shortcuts for solving problems.

    Thumbnail: A gyroscope is a device used for measuring or maintaining orientation and angular velocity. It is a spinning wheel or disc in which the axis of rotation (spin axis) is free to assume any orientation by itself. When rotating, the orientation of this axis is unaffected by tilting or rotation of the mounting, according to the conservation of angular momentum. Image used with permission (Public Domain; LucasVB).