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Statics is a branch of mechanics that deals with the study of the behavior of stationary objects under the influence of external forces.
Shear force is calculated by taking the sum of all the forces acting on a section of a structure in a perpendicular direction to the length of the section. It is represented by the symbol 'V' and is measured in Newtons (N).
Bending moment is the measure of the bending or flexural stress experienced by a structure under a load. It is calculated by taking the sum of the moments of all the forces acting on a section of the structure. It is represented by the symbol 'M' and is measured in Newton-meters (Nm).
Shear force and bending moment are related by their locations on a structure. Shear force is the vertical force acting on a structure, while bending moment is the rotational force. They are both important factors in determining the structural integrity of a building or object.
Shear force and bending moment diagrams are used to visually represent the distribution of forces and moments along a structure. They are helpful in identifying points of maximum stress and determining the appropriate size and shape of structural members. They are also useful in predicting the behavior of a structure under different loading conditions.