Static Determinacy and Stability Calculator

A truss has 4 members and 3 joints. Is it: Statically Determinate Statically Indeterminate Unstable Is the following equation true:? 2j = m + 3 wherej = joints and m = members 2(3) = 4 + 3 6 < 7 Since 2j < m + 3, the truss isStatically Indeterminate

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A truss has 4 members and 3 joints. Is it:

Statically Determinate

Statically Indeterminate

Unstable

Statically Determinate?

Is the following equation true:?

2j = m + 3 where
j = joints and m = members

Plug in j = 3 and m = 4

2(3) = 4 + 3

6 < 7

Since 2j < m + 3, the truss is
Statically Indeterminate

You have 1 free calculations remaining


What is the Answer?

Since 2j < m + 3, the truss is
Statically Indeterminate

How does the Static Determinacy and Stability Calculator work?

Free Static Determinacy and Stability Calculator - Given a number of joints (j) and a number of members (m), this determines if a truss is statically determinate, statically indeterminate, or unstable
This calculator has 2 inputs.

What 1 formula is used for the Static Determinacy and Stability Calculator?

2j = m + 3
where j = joints and m = members

For more math formulas, check out our Formula Dossier

What 4 concepts are covered in the Static Determinacy and Stability Calculator?

jointformed when two or more surfaces are joined togetherstableA structure which will not topple over easily when acted upon by a loadstatic determinacy and stabilitytrussa structural member usually fabricated from straight pieces of metal or timber to form a series of triangles lying in a single plane. (A triangle cannot be distorted by stress.)

Example calculations for the Static Determinacy and Stability Calculator

Static Determinacy and Stability Calculator Video


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