Q30
If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by
A.
m + r + 2j
B.
m - r + 2j
C.
m + r - 2j
AnswerD.
m + r - 3j
Answer: Option C
Solution
Answer: Option C
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