Computer · Structural Analysis
The degree of static indeterminacy (Ds) of a pin-jointed space frame is given by which formula? (Where 'm' = number of unknown member forces, 'r' = unknown reaction components, and 'j' = number of joints).
- 1m + r + 3j
- 23m + r - 3j
- 3m + r - 3j✓
- 4m + r - 2j
Correct answer
m + r - 3j
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