This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 4 Work – Quiz 53 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 4 Work Quiz 53 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The amount of work done per unit of time is ..... A) Joule. B) Power. C) Energy. D) None of the above. Show Answer Correct Answer: B) Power. 2. T/F:Work and mechanical energy are related A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. A student needs 10 Newtons of force to lift a box to the top of a 2 meter shelf. How much work do they do? A) 12 J. B) 8 J. C) 20 J. D) 5 J. Show Answer Correct Answer: C) 20 J. 4. What is the potential energy of a 3kg ball that is on the ground? A) 0 J. B) 3 J. C) 9.8 J. D) 29.4 J. Show Answer Correct Answer: A) 0 J. 5. How high is a-3.00 kg object that has 300 J of energy? (Use g = 9.8 m/s$^{2}$.) A) 10 m. B) 10.2 m. C) 30.61 m. D) 100 m. Show Answer Correct Answer: B) 10.2 m. 6. A car skids to a stop along a level highway. Is this an example of positive, negative or zero being done on the car? Is this an example of positive, negative, or zero work being done on the ca A) Positive. B) Negative. C) Zero. D) None of the above. Show Answer Correct Answer: B) Negative. 7. A man of mass 60 kg climbs up a 20m long staircase to the top of a building 10m high. What is the work done by him? (Take g=10m/s$^{2}$) A) 12 KJ. B) 6 KJ. C) 3 KJ. D) None of the above. Show Answer Correct Answer: B) 6 KJ. 8. According to Newton's Law of Inertia, objects in motion tend to ..... A) Accelerate. B) Change direction. C) Come to rest. D) Stay in motion. Show Answer Correct Answer: D) Stay in motion. 9. Three situations are listed. (1) someone blowing air into a party balloon(2) a crane lifting a block of concrete(3) a pile of books at rest on a shelf In which situations is work being done? A) 1 only. B) 1 and 2 only. C) 2 and 3 only. D) 1, 2 and 3. Show Answer Correct Answer: B) 1 and 2 only. 10. During inelastic collision between two bodies, which of the following quantities always remain conserved? A) Total kinetic energy. B) Potential energy. C) Total mechanical energy. D) Total linear momentum. Show Answer Correct Answer: D) Total linear momentum. 11. The value of negative work done depends on A) Speed of the object and the direction of the force. B) Time taken to do the work and the displacement. C) Magnitude of the force and the displacement. D) Direction of the force and the displacement. Show Answer Correct Answer: D) Direction of the force and the displacement. 12. Define power in the context of physics. A) Power is the total amount of energy in a system. B) Power is the force applied to an object. C) Power is the distance covered by an object in motion. D) Power is the rate of doing work or transferring energy. Show Answer Correct Answer: D) Power is the rate of doing work or transferring energy. 13. According to Newton's Third Law, for every action, there is an/an ..... reaction. A) Equivalent. B) Equal and direct. C) Unequal and opposite. D) Equal and opposite. Show Answer Correct Answer: D) Equal and opposite. 14. A basketball has 2000 J of work done on it over 27 meters. What is the force on the basketball? A) 54000 N. B) 1973 N. C) 74.07 N. D) 0.0135 N. Show Answer Correct Answer: C) 74.07 N. 15. TRUE or FALSE:CHEMICAL Potential Energy is present in bread, cereals and bacon. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 16. What unit are both work and energy expressed in? A) Meter. B) Joule. C) Watt. D) None of the above. Show Answer Correct Answer: B) Joule. 17. What is the mathematical formulation of work when the body displaces opposite to the direction of force applied? A) Force multiplied by displacement. B) Force plus distance. C) Force divided by displacement. D) (-)Force multiplied by displacement. Show Answer Correct Answer: D) (-)Force multiplied by displacement. 18. The FARTHER you move an object, the more work you do. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Energy due to motion is A) Kinetic energy. B) Potential. C) Chemical energy. D) Possible energy. Show Answer Correct Answer: A) Kinetic energy. 20. An object is acted on by a retarding force of 10 N and at a particular instant its kinetic energy is 6 J. The object will come to rest after it has travelled a distance of A) 3/5 m. B) 5/3 m. C) 4 m. D) 16 m. Show Answer Correct Answer: A) 3/5 m. 21. The work done on an object is proportional to the change in its: A) Speed. B) Position. C) Time. D) Mass. Show Answer Correct Answer: B) Position. 22. What type of energy is illustrated in the position of molecules and electric charges are being altered in using fuel? A) Kinetic energy. B) Chemical energy. C) Potential energy. D) Mechanical energy. Show Answer Correct Answer: B) Chemical energy. 23. In which situation is NO work done? A) Picking up a book bag. B) Dropping the bookbag. C) Carrying the bookbag. D) None of these. Show Answer Correct Answer: C) Carrying the bookbag. 24. Pushing a box across the floor is an example of A) Work. B) Not Work. C) All the above. D) None of the above. Show Answer Correct Answer: A) Work. 25. As mass increases, KE ..... A) Increases. B) Decreases. C) Stays the same. D) None of the above. Show Answer Correct Answer: A) Increases. ← PreviousNext →Related QuizzesClass 11 Physics (Part I) Chapter 4 Work Quiz 1Class 11 Physics (Part I) Chapter 4 Work Quiz 2Class 11 Physics (Part I) Chapter 4 Work Quiz 3Class 11 Physics (Part I) Chapter 4 Work Quiz 4Class 11 Physics (Part I) Chapter 4 Work Quiz 5Class 11 Physics (Part I) Chapter 4 Work Quiz 6Class 11 Physics (Part I) Chapter 4 Work Quiz 7Class 11 Physics (Part I) Chapter 4 Work Quiz 8Class 11 Physics (Part I) Chapter 4 Work Quiz 9Class 11 Physics (Part I) Chapter 4 Work Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books