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The number of independent equations to be satisfied for static equilibrium in a… — Answer & Solution | Civexa

Structural Analysis · Static Indeterminacy

Static Indeterminacy MCQ with answer and solution

Very easy level · Asked in State AE, State JE, GPSC AE

The number of independent equations to be satisfied for static equilibrium in a space structure is

Solution

Concept

Space equilibrium

Formula

ΣFx = ΣFy = ΣFz = 0; ΣMx = ΣMy = ΣMz = 0

Step-by-step solution

1. In 3D there are three force and three moment equations: 6.

Explanation

In 3D there are three force and three moment equations: 6.

Why the other options are wrong

2D has 3; 3D has 6.

Correct answer: D) 6

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