NCERT Solutions for Class 11 Physics Chapter 6 Work Energy and Power
NCERT Solutions for Class 11 Physics Chapter 6 Work Energy and Power Topics and Subtopics in NCERT Solutions for Class 11 Physics Chapter 6 Work Energy and Power : Section Name Topic Name 6 Work Energy and power 6.1 Introduction 6.2 Notions of work and kinetic energy : The work-energy theorem 6.3 Work 6.4 Kinetic energy 6.5 Work done by a variable force 6.6 The work-energy theorem for a variable force 6.7 The concept of potential energy 6.8 The conservation of mechanical energy 6.9 The potential energy of a spring 6.10 Various forms of energy : the law of conservation of energy 6.11 Power 6.12 Collisions QUESTIONS FROM TEXTBOOK Question 6. 1. The sign of work done by a force on a body is important to understand. State carefully if the following quantities are positive or negative: (a) Work done by a man in lifting a bucket out of a well by means of a rope tied to the bucket, (b) Work done by gravitational force in the above case, (c) Work done by friction on a body sliding down an incl...