Posted: January 8th, 2016
Suppose a force F acts through the point P with position vector r. The moment about the origin, M of the force is a measure of the turning effect of the force and is given by M = ?×?. A force of 4N acts in the direction i + j + k , and through the point with coordinates ( 7, 1, 3). Find the moment of the force about the origin.
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