Joint force

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The joint force is a force variable in statics . It is an essential aspect when considering subsystems in static systems, such as tanner carriers.

Statics is basically concerned with resting, still systems, so bodies must be in static equilibrium. In the case of statically determinate systems, systems can be broken down into subsystems and the resulting cutting forces applied to the respective other subsystem, but in statically indeterminate systems it is generally not possible to consider a subsystem decoupled from the overall system, or only by means of displacement and torsion springs. For pragmatic reasons it is often practical to separate the static system of joints into subsystems.

When it comes to a joint in statics, one usually means a swivel joint, but there are also "way joints" in statics. Rotary joints usually allow rotation around one (or both) main axes of inertia, but torsions and displacements are transferred. In the case of flexible connections, a swivel joint and a torsion spring are often inserted in structural analysis programs.