Looks to me that it is 0.6m from D and 0.9m from B.chetzread said:
sorry , i mean the 45N is acting at 0.6m from D .haruspex said:
Same issue as in the other thread. The beam feels the forces and moments at the point of attachment, D.chetzread said:
A shear force diagram is a graphical representation of the shear forces acting on a structure or beam at various points along its length. It shows the magnitude and direction of these forces, which are caused by external loads applied to the structure.
Shear force is calculated by taking the sum of all the external forces acting on a structure or beam, and then finding the change in these forces at each point along the length of the structure. This change in forces is represented by the slope of the shear force diagram.
The 45N at 0.6m from B represents the shear force acting on the structure or beam at a distance of 0.6m from point B. This force has a magnitude of 45N and is acting in a specific direction, as shown by the arrow on the shear force diagram.
The shear force diagram is affected by the distance from point B and D in that the shear forces will change in magnitude and direction at each point along the length of the structure. As the distance from point B and D changes, the slope of the shear force diagram will also change.
The shear force diagram is an important tool in structural analysis as it helps engineers and designers understand how external forces are distributed throughout a structure. It can also be used to identify areas of high shear stress and to determine the overall stability and strength of a structure.
