1.

Which of the following needs to zero for the stability of equilibrium configuration?

A. ∑F=0, ∑M=0 and ∑θ = 0
B. ∑F=0, ∑M≠0 and ∑θ = 0
C. ∑F≠0, ∑M=0 and ∑θ = 0
D. ∑F=0, ∑M=0 and ∑θ≠0
Answer» E.


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