dashed line in $($Figure $3),$ which represents the shape of the influence line as shown in $($Figure $4).$

If the shape of the influence line for the moment at $A$ in $($ Figure $1)$ is to be determined, the point A may be symbolized by an internal hinge or pin as shown in $($Figure $5).$ By applying a positive moment $M_A,$ the beam will deflect as shown by the dashed line in $($Figure $6),$ which represents the shape of the influence line as shown in $($Figure $7).$

Figure $8$ of $8$

Determine the maximum positive shear and moment that can be developed at point $B$ in the beam shown in $($Figure $8)$ due to a concentrated moving load of $2\mathrm{.}5$ k $($kilopounds$),$ a uniform moving load of $274l\frac{b}{f}t,$ and a beam weight of $109l\frac{b}{f}t.$ Assume support $A$ is a pin, $C$ and $E$ are rollers, and $D$ is hinged.

Express the value of $(V_B{)}_{\text{m}\text{a}\text{x}}$inlb followed by the value of $(M_B{)}_{\text{m}\text{a}\text{x}}$ in $lb*ft$ to three significant figures separated by a comma.

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