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A force vec(F)=3hat(i)+4 hat(j)-3hat(k) ...

A force `vec(F)=3hat(i)+4 hat(j)-3hat(k)` is applied at the point P, whose position vector is `vec(r) = hat(2i)-2hat(j)-3hat(k)`. What is the magnitude of the moment of the force about the origin ?

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