Consolidated Question Bank - Mechanics - 23BPH3C1

 

 UNIT - I
PART A - 2 MARK QUESTIONS

1. State Newton's First Law of Motion.
2. What is the frictional force? [Nov 2024]
3. Define gravitational potential.
4. State Newton's Law of Gravitation.[Nov 2024]
4. What is the escape velocity from the Earth's surface?
5. State Kepler's First Law and its significance in planetary motion.
6. State Kepler's Second Law.
8. State Kepler's Third Law.
9. What is the Principle of Equivalence?
10. Explain gravitational redshift.

PART B - 5 MARK QUESTIONS

1.Discuss the types of everyday forces in physics with examples.
2. State and Explain Newton's Laws of Motion. [Nov 2024]
3. Derive the equations of motion for a particle moving under a uniform gravitational field.
4.Describe the concept of escape velocity and derive the formula for escape velocity from the Earth.
5.State and explain Kepler’s three laws of planetary motion.
6. Write short notes on earth satellites. [Nov 2024]
7.Explain the Earth-Moon system and discuss its influence on tides and orbital motion.
8.Describe the gravitational potential energy of a satellite in orbit.
9. Describe Einstein’s Theory of Gravitation
10.Explain the phenomenon of the perihelion shift of Mercury.

PART C - 10  MARK QUESTIONS

1. Explain Newton's laws of motion in detail. 
2. Derive and explain the equation for the gravitational potential.
3.Explain the determination of the universal gravitational constant (G) using Boys' method.
4. Discuss Kepler’s laws of planetary motion in detail. Derive Kepler’s Third Law. ; Describe the classical theory of gravitation. State and explain Kepler's laws of motion. [Nov 2024]
5. Explain Einstein’s Theory of Gravitation with reference to the Principle of Equivalence. Discuss the experimental tests supporting the theory, including gravitational redshift and light bending.


 UNIT - II
PART A - 2 MARK QUESTIONS

1.State the law of conservation of linear momentum. [Nov 2024]
2.What is the center of mass of a system?
3.Define torque.
4.What is an elastic collision? Give one example.
5.State the principle of conservation of angular momentum.
6.Explain what is meant by "system with variable mass" with an example.; What is meant by the system of variable mass? [Nov 2024]
7.What happens to the angular momentum in a proton scattering event with a heavy nucleus?


PART B - 5 MARK QUESTIONS

1.Describe the concept of a center of mass and explain its importance in the motion of a  system of particles.
2.Explain the law of conservation of linear momentum with an example involving internal and external forces.
3.State and explain the conservation of linear momentum. [Nov 2024]
4.What is angular momentum? Derive the expression for the angular momentum of a rigid body about its center of mass.
5.Explain torque due to internal forces. [Nov 2024]
6.Write Note on Torque Due to Gravity.


PART C - 10 MARK QUESTIONS

1.Derive the Expressions for Velocities of Two Particles Elastically Colliding with Each Other Along Their Line of Sight, After Impact.
2.Describe the mechanics of proton scattering by a heavy nucleus.; Derive an expression for the distance of closest approach of a proton in the Coulomb potential. [Nov 2024]

 

 UNIT - III
PART A - 2 MARK QUESTIONS

1.What is the significance of conservation laws in physics?
2.Define work and provide its SI unit
3.What are conservative forces? Give one example. [Nov 2024]
4.State the law of conservation of energy. [Nov 2024]
5.What is potential energy in a gravitational field?
6.Differentiate between conservative and non-conservative forces.
7.Explain the concept of power and provide its SI unit.


PART B - 5 MARK QUESTIONS

1.Explain the law of conservation of energy with an example in a gravitational field.
2.Describe the relationship between work, power, and energy.
3.Explain the concepts of work and power. [Nov 2024]
4.Explain the concept of potential energy in an electric field and how it relates to conservative forces.; Explain the Conservation of Energy in electric field.[Nov 2024]
5.Discuss the difference between conservative and non-conservative forces.
6.Explain the concept of work done by a force and derive the formula for work done in moving an object over a distance.


PART C - 10 MARK QUESTIONS

1.Explain the law of conservation of energy in detail. Derive the general law of conservation of energy, including the concepts of work done by conservative and non-conservative forces.
2.Discuss the concepts of work, power, and energy in physics. Derive the formulas for work done by a constant force, power, and kinetic energy.
3.Explain the concept of mechanical energy and its conservation in a closed system. Derive the principle of conservation of mechanical energy, including the roles of kinetic and potential energy.
4.Describe the relationship between work and energy using the work-energy theorem. Derive the theorem and discuss its implications for kinetic energy.
5.Explain the significance of conservation laws. Write short notes on non-conservative forces. [Nov 2024]

 UNIT - IV
PART A - 2 MARK QUESTIONS

1.Define angular momentum and state its SI unit.
2.What is moment of inertia? State its significance in rotational motion. ; What is the physical significance of moment of inertia? 
[Nov 2024]
3.State the parallel axis theorem for the moment of inertia.[Nov 2024]
4.State the perpendicular axis theorem for the moment of inertia.
5.What is kinetic energy of rotation? Write its formula.
6.What is gyroscopic precession?
7.Differentiate between translational and rotational motion.
8.Write expression for the acceleration of of a body rolling down an inclined plane.
9.What is gyrostatic effect? Provide one example of its application.


PART B - 5 MARK QUESTIONS

1.Derive the formula for rotational kinetic energy in terms of moment of inertia and angular velocity.
2.Define the moment of inertia of a body and discuss its' physical significance. [Nov 2024]
3.State and prove the parallel axis theorem. 
4.State and prove the perpendicular axis theorem. [Nov 2024]
5.Derive the expression for the moment of inertia of a solid cylinder about its central axis.
6.Describe gyroscopic precession and derive an expression for the precession speed. 

PART C - 10 MARK QUESTIONS

1.Explain the dynamics of a rigid body rotating about a fixed axis. Derive the equations of rotational motion and discuss the relationship between torque, angular momentum, and angular acceleration.
2.Discuss the concept of a body rolling without slipping along a plane surface. Derive the expression for the total kinetic energy of the rolling body in terms of its translational and rotational kinetic energy.
3.Explain the motion of a body rolling down an inclined plane. Derive an expression for its acceleration in terms of its moment of inertia and radius. ; Obtain an expression for the acceleration of a body rolling down an inclined plane [Nov 2024].
4.Explain gyroscopic precession in detail. Derive the precession rate for a gyroscope,
5.Describe the general theorems of moment of inertia (parallel axis and perpendicular axis theorems) and provide proofs for each.

 UNIT - V
PART A - 2 MARK QUESTIONS

1.What are generalized coordinates? Provide one example.
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.; What are constraints? [Nov 2024]
4.What is the principle of virtual work?
5.State D’Alembert’s Principle in mechanics. [Nov 2024]
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.State and explain principle of virtual work. [Nov 2024]
3.Explain the different types of constrains with examples. [Nov 2024]
4.Explain the concept of generalized coordinates and illustrate their use with an example involving a pendulum.
5.State and explain D'Alembert's Principle. 
6.Apply Lagrange’s equation to derive the equation of motion for a simple pendulum.
7.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 principle.  [Nov 2024]