Scalar product Work Kinetic energy Work energy theorem Potential energy Conservation of energy Power Collisions

Transcription

1 BLOOM PUBLIC SCHOOL Vasant Kunj, New Delhi Lesson Plan Class: XI Subject: Physics Month: August No of Periods: 11 Chapter No. 6: Work, energy and power TTT: 5 WT: 6 Chapter : Work, energy and power Scalar product Work Kinetic energy Work energy theorem Potential energy Conservation of energy Power Collisions Learning Objectives Resources Activity/ experiments Class Work At the end of the chapter, students will be able to 1. Understand the scalar product of vectors 2. State and derive work-energy theorem, derive an expression for work done by a constant or variable force, expression for the kinetic energy and potential energy of a spring and plot the related graphs 3. State the law of conservation of mechanical energy and understand various forms of energy 4. Define power, define elastic and inelastic collisions and obtain expressions for it 5. Solve conceptual questions and numerical problems based on the above topics from reference books 1. Prescribed text book by NCERT 2. Reference books by (i) New Millenium Physics (Dinesh Publications) (ii) Principles of Physics (S. Chand Publications) (iii) New simplified Physics (S. L Arora) 3. Extra marks 1. Explanation and written work Introduction, Scalar product of two vectors, work (NCERT Pg no ) 2. Explanation and written work Work energy theorem, work done by a variable force, kinetic energy (NCERT Pg no ) 3. Explanation and written work Potential energy, conservation of mechanical energy (NCERT Pg no ) 4. Explanation and written work Potential energy of a spring (NCERT Pg no ) 5. Explanation and written work Various forms of energy, law of -

2 conservation of energy, power (NCERT Pg no ) 6. Explanation and written work Collision elastic collision in one dimension (NCERT Pg no ) 7. Explanation and written work Inelastic collision, collisions in two dimensions(ncert Pg no. 129, ) 8. Explanation and written work Conceptual questions and numerical 9. Explanation and written work Conceptual questions and numerical 10. Revision from Extra marks 11. Class test Home work Numerical problems from NCERT book (Q 6.11, 6.14, 6.15, 6.17, 6.24) Assessment Class test PERIOD WISE PLAN PERIOD CONTENT 1. Explanation and written work Introduction, Scalar product of two vectors, work (NCERT Pg no ) 2. Explanation and written work Work energy theorem, work done by a variable force, kinetic energy (NCERT Pg no ) 3. Explanation and written work Potential energy, conservation of mechanical energy (NCERT Pg no ) 4. Explanation and written work Potential energy of a spring (NCERT Pg no ) 5. Explanation and written work Various forms of energy, law of conservation of energy, power (NCERT Pg no ) 6. Explanation and written work Collision elastic collision in one dimension (NCERT Pg no ) (NCERT Pg no ) 7. Explanation and written work Inelastic collision, collisions in two dimensions(ncert Pg no. 129, ) 8. Explanation and written work - Conceptual questions and numerical 9. Explanation and written work - Conceptual questions and numerical 10. Revision from Extra marks 11. Class Test

3 BLOOM PUBLIC SCHOOL Vasant Kunj, New Delhi Lesson Plan Class: XI Subject: Physics Month: August No of Periods: 12 Chapter No. 7: Systems of particles and rotational motion TTT: 5.5 WT: 6.5 Chapter : Systems of particles and rotational motion Vector product Centre of mass, its motion, centre of gravity Angular velocity, torque, angular momentum Equilibrium of a rigid body Moment of inertia Theorems of perpendicular and parallel axes Kinematics and dynamics of rotational motion about a fixed axis Rolling motion Learning Objectives Resources Activity/ experiments Class Work At the end of the chapter, students will be able to 1. Understand the rigid body, centre of mass, motion of c.m, centre of gravity 2. understand vector product of two vectors 3. Define linear momentum of system of particles, torque, angular velocity, angular momentum, moment of inertia and obtain their expression 4. Understand equilibrium of a rigid body, state principle of moments, theorem of perpendicular and parallel axis, principle of conservation of angular momentum 5. Explain kinematics and dynamics of rotational motion, rolling motion about a fixed axis 6. Solve conceptual questions and numerical problems based on the above topics from reference books 1. Prescribed text book by NCERT 2. Reference books by (i) New Millenium Physics (Dinesh Publications) (ii) Principles of Physics (S. Chand Publications) (iii) New simplified Physics (S. L Arora) 3. Extra marks To be done in the practical periods To verify principle of moments and hence obtain unknown weight 1. Explanation and written work Introduction, what kind of motion a rigid body have, centre of mass, motion of c.m, centre of gravity(ncert Pg no , 161) 2. Explanation and written work Vector product of two vectors (NCERT Pg no )

4 3. Explanation and written work Angular velocity, its relation with linear velocity, angular acceleration, torque, angular momentum (NCERT Pg no ) 4. Explanation and written work Equilibrium of a rigid body, principle of moments (NCERT Pg no ) 5. Explanation and written work Rotational kinetic energy, moment of inertia, radius of gyration (NCERT Pg no. 163, 164) 6. Explanation and written work Theorems of perpendicular and parallel axes (NCERT Pg no ) 7. Explanation and written work Kinematics and dynamics of rotational motion about a fixed axis (NCERT Pg no ) 8. Explanation and written work Angular momentum, its conservation, rolling motion (NCERT Pg no ) 9. Explanation and written work Conceptual questions and numerical 10. Explanation and written work Conceptual questions and numerical 11. Revision from Extra marks 12. Class test Home work Numerical problems from NCERT book (Q 7.10, 7.11, 7.12, 7.14, 7.16) Assessment Class test PERIOD WISE PLAN PERIOD CONTENT 1. Explanation and written work Introduction, what kind of motion a rigid body have, centre of mass, motion of c.m, centre of gravity(ncert Pg no , 161) 2. Explanation and written work Vector product of two vectors (NCERT Pg no ) 3. Explanation and written work Angular velocity, its relation with linear velocity, angular acceleration, torque, angular momentum (NCERT Pg no ) 4. Explanation and written work Equilibrium of a rigid body, principle of moments (NCERT Pg no ) 5. Explanation and written work Rotational kinetic energy, moment of inertia, radius of gyration (NCERT Pg no. 163, 164) 6. Explanation and written work Theorems of perpendicular and parallel axes (NCERT Pg no )

5 7. Explanation and written work Kinematics and dynamics of rotational motion about a fixed axis (NCERT Pg no ) 8. Explanation and written work Angular momentum, its conservation, rolling motion (NCERT Pg no ) 9. Explanation and written work Conceptual questions and numerical 10. Explanation and written work Conceptual questions and numerical 11. Revision from Extra marks 12. Class Test