UNIT - I
PART A - 2 MARK QUESTIONS
1.Differentiate between external and internal forces.
2.Define the center of mass of a system of particles.
2.Define the center of mass of a system of particles.
3.State the law of conservation of linear momentum.
4.Define angular momentum.
5.State the law of conservation of angular momentum.
4.Define angular momentum.
5.State the law of conservation of angular momentum.
6.State the law of conservation of energy.
7.State the work-energy theorem.
8.Define conservative forces and give an example.
9.Define degrees of freedom in a physical system.
10.Define generalized momentum.
PART B - 5 MARK QUESTIONS
1. Define the center of mass and explain its importance in mechanics.
2.State and explain the law of conservation of linear momentum with an example.
3.What is the work-energy theorem? Derive its expression for a particle moving under a constant force.
4.Differentiate between conservative and non-conservative forces, providing one example of each.
5.Define degrees of freedom and explain how they are affected by constraints in a mechanical system.
PART C - 10 MARK QUESTIONS
1.Explain the work-energy theorem in detail. Derive its expression and discuss its significance in mechanics with a practical example.
2. Discuss the types of constraints in mechanics.