Work and Energy

Physics, SSC-KPK Class 9. This chapter is split into 20 topics and has 443 practice questions. The topics covered are listed below, followed by 10 free sample questions from the chapter.

Topics in this chapter

1. Work: Definition, Unit and Components 24 questions
2. Power Units: Horse Power and Kilowatt Hour 20 questions
3. Energy Conversion and Conservation 21 questions
4. Work Done in Lifting and Finding Force or Distance 20 questions
5. Efficiency of Machines 22 questions
6. Major Sources of Energy 24 questions
7. Potential Energy Numericals 28 questions
8. Efficiency Numericals 21 questions
9. Unit 6 Exercise: Numerical and Conceptual Questions 20 questions
10. Mass-Energy Equivalence 21 questions
11. Work Numericals 20 questions
12. Potential Energy 25 questions
13. Power Numericals 20 questions
14. Kinetic Energy Numericals 25 questions
15. Power and its Units 24 questions
16. Kinetic Energy 23 questions
17. Geothermal, Wind, Nuclear, Solar and Hydroelectric Energy 21 questions
18. Unit 6 Exercise: Multiple Choice Questions 20 questions
19. Unit 6 Key Points and Objectives 21 questions
20. Energy and its Forms 23 questions