Prob. $2\mathrm{.}8$b

Figure $2\mathrm{.}8$b Full Alternative Text

Use these reactions to find an estimate of the peak positive moment in the beam. Will this estimate be an upper or lower bound on the peak moment? Justify your answer about the bound.

b$.$ If the column was extremely stiff, it would completely stop rotation at $B.$ We can find the reactions to those support conditions inside the back cover of this book.