Structural Analysis

A. stable and statically determinate
B. stable and statically indeterminate
C. unstable
D. none of the above
where m is number of members, r is reaction components and j is number of joints

A. 2j – r
B. j – 2r
C. 3j – r
D. 2j + r

A. 1
B. 2
C. 3
D. 6