UNIT - V
PART A - 2 MARK QUESTIONS
1.What are generalized coordinates? Provide one example.
2.Define degrees of freedom in a mechanical system.
2.Define degrees of freedom in a mechanical system.
3.What is a constraint in mechanics? Give an example of a constraint in a physical system.
4.What is the principle of virtual work?
5.State D’Alembert’s Principle in mechanics.
6.Write down Lagrange’s equation of motion and briefly explain its significance.
4.What is the principle of virtual work?
5.State D’Alembert’s Principle in mechanics.
6.Write down Lagrange’s equation of motion and briefly explain its significance.
PART B - 5 MARK QUESTIONS
1.Describe degrees of freedom in a mechanical system and explain how constraints affect the degrees of freedom.
2.Explain the concept of generalized coordinates and illustrate their use with an example involving a pendulum.
3.State and explain D'Alembert's Principle.
4.Apply Lagrange’s equation to derive the equation of motion for a simple pendulum.
5.Explain the working of Atwood’s Machine and derive its equation of motion using Lagrange’s method.
PART C - 10 MARK QUESTIONS
1.Derive Lagrange’s equation of motion from D’Alembert’s