A $300-kg$ countenweight, with center of mass at $G,$ is mounted on the pitman crank $AB$ of the oil$-$pumping unit shown in $($Figure $1)$

If a force of $F=9kN$ is to be developed in the fixed cable aftiached to the end of the walking beam DEF, determine the torque $M$ that must be supplied by the motor Express your answer to three significant figures and include the appropriate units.

$M=$

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$1$ of $1$