Fixed Constraint

Reference – Довідка

Panel – Панель:

«Фізика > Примус Твердого Тіла» – Physics ‣ Rigid Body Constraint

Type – Тип:

Fixed – Фіксовано

This constraint cause the two objects to move as one. Since the physics system does have a tiny bit of slop in it, the objects do not move as rigidly as they would if they were part of the same mesh.