Computer · Structural Analysis
Under which of the following conditions is a two-dimensional plane truss known as an 'Unstable Truss'? (where m = number of members, j = number of joints, and r = number of unknown external reactions)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1m < 4j - r
- 2m < 2j - r✓
- 3m > 2j - r
- 4m = 3r - j
Correct answer
m < 2j - r
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