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A structure is said to be statically indeterminate when

A structure is said to be statically indeterminate when Correct Answer the number of unknown reaction components exceeds the number of equilibrium conditions

Concept:

Statically indeterminate:

A structure is statically indeterminate when the static equilibrium equations are insufficient for determining the internal forces and reactions on that structure.

Therefore, a structure is said to be statically indeterminate when the number of unknown reaction components exceeds the number of equilibrium conditions.

Statically determinate:

  • A statically determinate structure is the one in which reactions and internal forces can be determined solely from free-body diagrams and equations of equilibrium.
  • For example: Simply supported, Fixed, Overhanging, Double overhanging, Continuous, and Cantilever.

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