one dof
The screw joint has one degree of freedom. They supply only single-axis translation, commonly by use of a threaded shaft. You can also consider the single degree of freedom to be the rotation of the screw. The important thing is the rotation and the translation are related by a function (the pitch of the screw), so only one of them can be independent. That gives you one degree of freedom.
By degrees of freedom, I believe you meant dimensions. Everything in this universe has 3 degrees of freedom.
A scara robot uaually have 4 degrees of freedom
How many degrees of freedom does any unconstrained object have in 3D modeling
The knee has 2 degrees of freedom. Flexion/Extension and varus/valgus rotation.
18
Only one degree of freedom
the answer is 0
2
Two.
Mass and damping are associated with the motion of a dynamic system. Degrees-of-freedom with mass or damping are often called dynamic degrees-of-freedom; degrees-of-freedom with stiffness are called static degrees-of-freedom. It is possible (and often desirable) in models of complex systems to have fewer dynamic degrees-of-freedom than static degrees-of-freedom.