Why rotation of rigid bodies through finite angles not a vector?

Why rotation of rigid bodies through finite angles not a vector?


2 Answers

Chetan Mandayam Nayakar
312 Points
9 years ago

Because it does not obey one of the laws of vector algebra(law of commutativity).

Raghuvaran varan Chandragiri
37 Points
9 years ago

Rigid-body dynamics studies the movement of systems of interconnected bodies under the action of external forces. The assumption that the bodies are rigid, which means that they do not deform under the action of applied forces, simplifies the analysis by reducing the parameters that describe the configuration of the system to the translation and rotation of reference frames attached to each body.[1][2]

The dynamics of a rigid body system is defined by its equations of motion, which are derived using either Newtons laws of motion or Lagrangian mechanics. The solution of these equations of motion defines how the configuration of the system of rigid bodies changes as a function of time. The formulation and solution of rigid body dynamics is an important tool in the computer simulation of mechanical systems.

Movement of each of the components of the Boulton & Watt Steam Engine (1784) is modeled by a continuous set of rigid displacements

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