This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 4 Work – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 4 Work Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A box is being pushed horizontally on an inclined surface by 15 N of force, in a distance of 3.5 m. Calculate the work generated by the 15 N or force? A) 52.5 Joule. B) 60 Joule. C) 55.5 Joule. D) 59 Joule. Show Answer Correct Answer: A) 52.5 Joule. 2. Gravitational potential energy depends on the ..... and ..... of the object. A) Height and mass. B) Friction and movement. C) Mass and Movement. D) Height and Friction. Show Answer Correct Answer: A) Height and mass. 3. A body of mass 2 kg is dropped from a height of 20 m. Find the sum of potential and kinetic energy of the body half-way down. A) 300 J. B) 200 J. C) 100 J. D) 400 J. Show Answer Correct Answer: D) 400 J. 4. If a force of 10 N is applied to move an object 5 meters, how much work is done? A) 50 J. B) 100 J. C) 75 J. D) 25 J. Show Answer Correct Answer: A) 50 J. 5. Which of the following statements best describes the concept of work in physics? A) Work is the energy transferred to or from an object via the application of force along a displacement. B) Work is the energy stored in an object due to its position. C) Work is the energy an object has due to its motion. D) Work is the rate at which energy is transferred or converted. Show Answer Correct Answer: A) Work is the energy transferred to or from an object via the application of force along a displacement. 6. How much work is done carrying a 10-N box horizontally across a floor for 8 m? A) 80 J. B) 10 J. C) 8 J. D) 0 J. Show Answer Correct Answer: D) 0 J. 7. What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s A) 676 J. B) 52 J. C) 17J. D) 338 J. Show Answer Correct Answer: D) 338 J. 8. If the object does not move then what is happening A) Nothing. B) Work. C) Power. D) No work is being done on the object. Show Answer Correct Answer: D) No work is being done on the object. 9. A cyclist comes to a skidding stop at 50 m. During this process, the force on the cycle due to the road is 1000 N and is directed opposite to the motion. How much work does the road do on the cycle? A) 5000J. B) 500000J. C) 50000J. D) 10000J. Show Answer Correct Answer: C) 50000J. 10. A boxer provides 1500 N of force over 0.3 meters while punching an opposing boxer. What is the work done by the boxer? A) 5000 J. B) 0.0002 J. C) 450 J. D) 1499.97 J. Show Answer Correct Answer: C) 450 J. 11. What factors affect the amount of work done on an object? A) The material it is made of. B) The color of the object. C) The force applied, the distance moved, and the angle of application. D) The temperature of the environment. Show Answer Correct Answer: C) The force applied, the distance moved, and the angle of application. 12. It is a product of force and displacement in the direction of force.Statement above refers to A) Work. B) Energy. C) Power. D) None of the above. Show Answer Correct Answer: A) Work. 13. A fan blows the air and gives it kinetic energy. An hour after the fan has been turned off, what has happened to the kinetic energy of the air? A) It disappears. B) It turns into potential energy. C) It turns into thermal energy. D) It turns into sound energy. Show Answer Correct Answer: C) It turns into thermal energy. 14. What is the kinetic energy of a ball sitting on top of a hill? A) 0 J. B) Less than 0 J. C) More than 0 J. D) None of the above. Show Answer Correct Answer: A) 0 J. 15. Calculate work done on an object by a force equal 10 Newton and moved for 2 meters A) 12. B) 20. C) 28. D) 36. Show Answer Correct Answer: B) 20. 16. A moving car of mass 800 kg has energy of 250 k J. What is the velocity of the car? A) 2 ms$^{-1}$. B) 10 ms$^{-1}$. C) 25 ms$^{-1}$. D) 20 ms$^{-1}$. E) 30 ms$^{-1}$. Show Answer Correct Answer: C) 25 ms$^{-1}$. 17. A 200 W conveyor is used to raise boxes of cupcakes up a 10 meter building. If it takes 10 seconds to move a cake, how much do the boxes weigh? A) 20 N. B) 200 N. C) 2, 000 N. D) 2 N. Show Answer Correct Answer: B) 200 N. 18. Energy stored in an object due to its position is called A) Location energy. B) Positional energy. C) Potential energy. D) Kinetic energy. Show Answer Correct Answer: C) Potential energy. 19. All of the following are vector quantities except A) Force. B) Displacement. C) Torque. D) Weight. Show Answer Correct Answer: B) Displacement. 20. A particle of mass m is moving in a circular path of a constant radius r such that its centripetal acceleration ac is varying with time as $a_c=k^2rt^2$ A) $2\pi mk^2r^2t$. B) $mk^2r^2t$. C) $\frac{mk^4r^2t^5}{3}$. D) 0. Show Answer Correct Answer: B) $mk^2r^2t$. 21. A crane lift up a load with weight 2500 N to a 4m height.Calculate the work done. A) 1000 J. B) 10 000 J. C) 100 000 J. D) None of the above. Show Answer Correct Answer: B) 10 000 J. 22. ..... is the unit for work A) Joules. B) Watts. C) Kelvin. D) Force x displacement. Show Answer Correct Answer: A) Joules. 23. What is the kinetic energy of a 1-kilogram ball is thrown into the air with an initial velocity of 30 m/sec? A) 30 J. B) 450 J. C) 900 J. D) 29 J. Show Answer Correct Answer: B) 450 J. 24. An astronaut on the Moon drops a tool box of mass 3.0 kg. It falls from rest and its kinetic energy as it hits the surface is 0.96 J.At which speed does the tool box hit the surface of the Moon? A) 0.46 m/s. B) 0.57 m/s. C) 0.64 m/s. D) 0.80 m/s. Show Answer Correct Answer: D) 0.80 m/s. 25. What is the potential energy that results from conservative Coulomb forces and is associated with the configuration of a particular set of point charges within a defined system? A) Thermal Energy. B) Chemical Energy. C) Electrical Energy. D) Nuclear Energy. Show Answer Correct Answer: C) Electrical Energy. ← 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