# Moment of Force about given points

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9. A force of magnitude 3 units acts at the point with coordinates (1,2,3). The force is applied in the direction of the vector 3i - j + 4k. Find the moment of the force about O. Also find the moment of the force about the point with coordinate (1,2,3)

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Moment of a force, acting at a given point, is calculated with respect to a given point.

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magnitude of force |F| = 3

direction of force: 3i - j + 4k

unit vector along force F_cap = (3i - j + 4k)/sqrt(3^2 + 1^2 + 4^2)

Hence, force ...

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- BEng, Allahabad University, India
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