If the Chebyshov's fofmula has 1, it means that

The soldering has three reactions.

The hinge has one reaction.

The kinetic analysis has one stage.

What is the degree of freedom of a simple disk?

How many joints has this construction?

How many simple disk has this construction?

The estimated joint snow load, which is applied to the joints of the upper belt of the truss, is calculated according to the formula:

What kind of effort we have in truss bar?

How many unknown forces we can find from consideration one cutting joint?