$=15\mathrm{.}0$

$F_1=+-($:$20,5,-2$:$)[N]$

$r=0\mathrm{.}260[m]$

Given the following values above, what is the magnitude of the moment about the origin $($point O$)$ due to forces F$1$ and $-$F$1$ acting on the gate valve? Units are taken as $[$N$-$m$]$; do not report units in your answer. Report your answer to the hundredths place. The use of significant digits is not required.