In $($Figure $1),L=7\mathrm{.}2m.$ Assume $A$ is a pin and $B$ is a

roller.

Figure

Determine the distance $a$ of the overhang of the beam in order that the moving loads produce the

same maximum moment in magnitude at the supports as in the center of the span.

Express your answer to three significant figures and include the appropriate units.

$a=$

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