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The first step in calculating these quantities and their spatial variation consists of constructing shear and bending moment diagrams, \(V(x)\) and \(M(x)\), which are the internal shearing forces and bending moments induced in the beam, plotted along the beam's length.
The slope of the moment diagram at a point is equal to the value of shear at that point. A positive shear causes a positive slope on the moment diagram and vice-versa. Change in the moment between two points is equal to the corresponding area under a shear curve.
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Does a concentrated moment affect a shear diagram?
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What is a shear bending moment diagram?
How do you calculate shear and bending moments?
What is a moment of a force?
What are the functional relationships between internal shear force v x w x?
The Moment of a force is a measure of its tendency to cause a body to rotate about a specific point or axis. This is different from the tendency for a body to move, or translate, in the direction of the force.