Computer · Structural Analysis
If there are (m) unknown member forces, (r) unknown reaction components and (j) number of joints, the degree of kinematic indeterminacy of a pin-jointed plane frame is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12j + r
- 23j - r
- 3j - 2r
- 42j - r✓
Correct answer
2j - r
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