Principle of virtual work. in english short question M.Sc
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Answer
The Principle of Virtual Work states that for a system in static equilibrium, the total virtual work done by all external forces acting on the system is zero for any virtual displacement.
Mathematically, it is expressed as:
δW = Σ Fᵢ · δrᵢ = 0
Where:
- Fᵢ is the i-th external force acting on the system.
- δrᵢ is the virtual displacement corresponding to the force Fᵢ.
- Σ denotes the summation over all external forces.
This principle is fundamental in mechanics and is used to analyze the equilibrium of complex structures and mechanisms.
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