Forces and Moments (Vectors)
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Forces acting on structures may be two or three dimensional. The figure below shows a force in a rectangular coordinate system with its three components – Fx, Fy, and Fz.
In general the component of a force in a given direction is just the dot product of the force with a unit vector in the given direction. i.e. Fx, can be calculated using the dot product F ● i . Click here to continue with discussion about a moment of a force about a point. |
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