A. 1
B. 2
C. 3
D. 6
A. 2j – r
B. j – 2r
C. 3j – r
D. 2j + r
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. (m + r) = 2j
B. (m + r) = 3j
C. (3m + r) = 3j
D. (m + 3r) = 3j
where m is number of members, r is reaction components and j is number of joints
A. m + r – 2j
B. m + r – 3j
C. 3m + r – 3j
D. m + r + 3j
where m is number of unknown member forces, r is unknown reaction components and j is number of joints
A. 2j-r
B. 3j-r
C. j-2r
D. j-3r
where j is number of joints and r is reaction components
A. for statically determinate structures only
B. when the system behaves elastically
C. only when principle of superposition is valid
D. none of the above
A. zero
B. less than 1
C. 1
D. greater than 1
A. L/EI
B. L/2EI
C. L/3EI
D. L/4EI
