Beams-

STATICALLY DETERMINATE BEAMS-

A beam is statically determinate if the equations of static equilibrium alone are sufficient to determine the reactions of the beam.

Statically determinate problems are those, which can be solved by equations of static equilibrium alone.

                                          ΣFx = 0 and ΣFy = 0.

Shear force and bending moment-

Watch Video 48-59

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Derivation shown in Video-59 is important.

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Find out beam reactions graphically

How to find out beam reactions graphically - GRAPHIC STATICS PART I

Truss-

Simple truss and solution of simple truss, Method of joints and method of

sections.

Watch Video 25-35