Home » MCQ on Class 9 Science Chapter 10: Work and Energy

MCQ on Class 9 Science Chapter 10: Work and Energy

By Abdur Rohman / June 24, 2024

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Chapter 10 of class 9 science as per the NCERT syllabus is Work and Energy which deals with Work and Energy, Forms of Energy, Kinetic Energy, Potential Energy, the Law of Conservation of Energy, etc.

Here, we have discussed 30 Multiple Choice Questions based on these topics of the chapter. These questions will help you to learn more about the chapter and test your knowledge.

For each question below, there are four options out of which only one option is correct. The correct answer to each question is given at the end for your reference.

MCQ on Class 9 Science Chapter 10

1. What is the unit of work in the SI system?

A. Newton B. Joule C. Pascal D. Watt

2. Which of the following is NOT a form of energy?

A. Heat B. Light C. Chemical D. Friction

3. Work is defined as the product of force and what?

A. Mass B. Displacement C. Velocity D. Time

4. Which scientist is the unit of work named after?

A. Newton B. Watt C. Joule D. Pascal

5. In which case is work done?

A. Holding a book at a height B. Pushing a wall that does not move C. Standing with a heavy load D. Pulling a trolley that moves

6. What is the relationship between work (W), force (F), and displacement (s)?

A. W = F + s B. W = F * s C. W = F / s D. W = F – s

7. How much work is done when a force of 10 N moves an object 5 m in the direction of the force?

A. 50 J B. 100 J C. 5 J D. 15 J

8. Which form of energy is associated with a moving object?

A. Potential energy B. Kinetic energy C. Chemical energy D. Nuclear energy

9. If a body is displaced but no force is applied, is work done?

A. No B. Yes C. Only if displacement is in the direction of force D. It depends on the magnitude of force

10. What is the unit of energy?

A. Newton B. Joule C. Pascal D. Watt

11. Energy possessed by an object due to its motion is called?

A. Kinetic energy B. Potential energy C. Mechanical energy D. Chemical energy

12. What is the unit of power?

A. Joule B. Newton C. Watt D. Pascal

13. What is the relationship between kinetic energy (K.E.), mass (m), and velocity (v)?

A. K.E. = m * v B. K.E. = m / v C. K.E. = 1/2 * m * v^2 D. K.E. = 2 * m * v

14. What is potential energy related to?

A. Position B. Motion C. Temperature D. Force

15. The formula for potential energy is?

A. P.E. = m * v^2 B. P.E. = m * g * h C. P.E. = m * a * d D. P.E. = m * g / h

16. Which of the following is an example of potential energy?

A. A moving car B. Water stored in a dam C. Wind blowing D. A running athlete

17. The SI unit of power is named after which scientist?

A. Joule B. Newton C. Watt D. Pascal

18. What does the term ‘work’ depend on?

A. Force and displacement B. Time and displacement C. Mass and velocity D. Force and velocity

19. If a force acts on a body and there is no displacement, what is the work done?

A. Positive B. Zero C. Negative D. It depends on the force applied

20. Which of the following statements is correct?

A. Work and energy are unrelated B. Energy is a form of work C. Work is always negative D. Work is the transfer of energy

21. If an object has kinetic energy, what can be inferred about its motion?

A. It is at rest B. It is moving C. It is stationary D. It has no energy

22. The energy stored in an object due to its position is called?

A. Kinetic energy B. Potential energy C. Thermal energy D. Electrical energy

23. Which factor does NOT affect the potential energy of an object?

A. Height B. Mass C. Temperature D. Gravity

24. How is power defined?

A. Work done / Distance B. Force / Time C. Work done / Time D. Energy / Distance

25. What is the unit of work in the SI system?

A. Newton B. Joule C. Pascal D. Watt

26. What is the formula for calculating power?

A. Power = Work * Time B. Power = Work / Time C. Power = Force / Distance D. Power = Force * Distance

27. Which of the following is an example of work being done?

A. Holding a book in your hand B. Sitting on a chair C. Lifting a box off the ground D. Leaning against a wall

28. What does power measure?

A. Energy expended B. Distance covered C. Rate of doing work D. Force applied

29. What is the relationship between energy and work?

A. Energy is the capacity to do work B. Work is the capacity to do energy C. They are unrelated D. Work is always more than energy

30. Which of the following has kinetic energy?

A. A parked car B. A rock on the ground C. A book on a table D. A flying bird

Review Your Answers Above.

The Bottom Line

I hope these 30 MCQs on Work and Energy of Class 9 Science Chapter 10 have helped you in your studies and preparation.

If you have any queries, or comments or find any mistake in the above questions, feel free to contact me in the comment section below.

I would love to hear from you.

Abdur Rohman

Abdur Rohman is an Electrical Engineer from Charaideo, Assam, who wears multiple hats as a part-time teacher, blogger, entrepreneur, and digital marketer. Passionate about education, he founded The Assam School blog to provide free, comprehensive textbook solutions, MCQs (Multiple Choice Questions), and other academic content for students from Class V to XII.

MCQ on Class 9 Science Chapter 10

1. What is the unit of work in the SI system?

2. Which of the following is NOT a form of energy?

3. Work is defined as the product of force and what?

4. Which scientist is the unit of work named after?

5. In which case is work done?

6. What is the relationship between work (W), force (F), and displacement (s)?

7. How much work is done when a force of 10 N moves an object 5 m in the direction of the force?

8. Which form of energy is associated with a moving object?

9. If a body is displaced but no force is applied, is work done?

10. What is the unit of energy?

11. Energy possessed by an object due to its motion is called?

12. What is the unit of power?

13. What is the relationship between kinetic energy (K.E.), mass (m), and velocity (v)?

14. What is potential energy related to?

15. The formula for potential energy is?

16. Which of the following is an example of potential energy?

17. The SI unit of power is named after which scientist?

18. What does the term ‘work’ depend on?

19. If a force acts on a body and there is no displacement, what is the work done?

20. Which of the following statements is correct?

21. If an object has kinetic energy, what can be inferred about its motion?

22. The energy stored in an object due to its position is called?

23. Which factor does NOT affect the potential energy of an object?

24. How is power defined?

25. What is the unit of work in the SI system?

26. What is the formula for calculating power?

27. Which of the following is an example of work being done?

28. What does power measure?

29. What is the relationship between energy and work?

30. Which of the following has kinetic energy?

The Bottom Line

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