Ch 6 (Virtual Work) B.Sc Math Mechanics Notes

Introduction to Mechanics (B.Sc.)

Chapter:06 (Virtual Work)

In this chapter, we will study the following topics:

  • preliminary definitions and results
  • work done by force
  • moment of force
  • moment of couple
  • work done in rotation of a body
  • axis of rotation
  • work done by a couple
  • applied forces and forces of constraints
  • active or applied forces
  • virtual displacement and virtual work
  • virtual displacement consistent with constraints
  • virtual displacement violating the constraints
  • workless constraints
  • ideal constraints
  • the reaction of a smooth surface with which the body is in contact
  • the tension of an inextensible string
  • principle of virtual work
  • a single particle
  • a set of particles
  • a rigid body or a set of rigid bodies
  • infinitesimal vertical displacement
  • the equation of virtual work

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