S.I.M. Structure of the ModelCompatible Systems The system can be composed of any number of rigid bodies and point particles. The system must either be constrained to move in such a way that the angular momentum will be one-dimensional, or else the symmetries of the situation (system plus interactions) must guarantee that the angular momentum will remain one dimensional. Relevant Interactions External interactions must be explicitly given as torques, or as forces with their point of application or moment arm about a chosen axis of rotation specified along with their magnitude and direction. (Internal interactions do not change the angular momentum of the system.) Laws of ChangeMathematical Representation Section |
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