## Bases

**Basis**: Inertial incapacity of material to vectorially add the angular momenta resulting from bodies in rotation in certain cases.

The **Theory of Dynamic Interactions (TDI)** arises from physical observation and reflection on the validity of mathematical models that accept the vectorial addition of angular magnitudes to their precedence:

- The mathematical model used to develop movement equations allows for vectorial differential addition, even though the non-coaxial, rotational physical phenomenon is clearly neither commutative nor associative.
- The indiscriminate superimposition principle is accepted; both for rotations, as well as for the case of the separation of forces and momenta (Poinsot).

Certain questions arise from the foregoing:

- On subjecting bodies with intrinsic angular momenta to new momenta dynamic interactions are caused that allow for a variation of the effect of the incident force couple.
- For bodies endowed with kinetic momentum consisting of an intrinsic angular momentum, in addition to the amount of movement, when non-coaxial forces act the path of the solid will change.

**Intellectual Property:**

Research on the * Theory of Dynamic Interactions* that is disseminated on this web site has been financed by Advanced Dynamics, S.A., which has registered patents based on the theory.