Structural Analysis & Statics

Equilibrium equations, support reactions, internal shear/moment diagrams, truss systems, and frames.

Theory Modules

Study the theory, review the governing formula, and test your knowledge with interactive questions.

A beam is a structural member whose primary function is to resist transverse loads by developing internal shear force...

The **equations of equilibrium** are the fundamental principles of **statics**, which is the branch of mechanics conc...

Forces represent a push or pull that tends to cause translation (linear motion) of a body, governed by Newton's Laws....

A frame is a structure composed of members connected by joints, where at least some members carry bending moments and...

Internal force diagrams are graphical representations of the shear force V(x) and bending moment M(x) along the lengt...

Support reactions are the forces and moments exerted by supports to maintain equilibrium of a structure. Common suppo...

A truss is an assemblage of slender straight members connected at joints, loaded only at joints, so each member is a...