This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 4 Work – Quiz 46 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 4 Work Quiz 46 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Work done by gravity on a ball thrown upwards is A) Zero. B) Undefined. C) Positive. D) Negative. Show Answer Correct Answer: D) Negative. 2. Who came up with the famous equation E = mc$^{2}$ A) Joule. B) Newton. C) Einstein. D) Default. Show Answer Correct Answer: C) Einstein. 3. What does a joule measure? A) Speed. B) Power. C) Work. D) Time. Show Answer Correct Answer: C) Work. 4. The ability to do work is called ..... A) Work. B) Power. C) Energy. D) Force. Show Answer Correct Answer: C) Energy. 5. By how much will the kinetic energy of a body increase if its speed is doubled? A) 1 time initial value. B) 2 time initial value. C) 3 time initial value. D) 4 time initial value. Show Answer Correct Answer: D) 4 time initial value. 6. Breaking the bonds of between compounds is what form of energy used? A) Radiant. B) Thermal. C) Chemical. D) Nuclear. Show Answer Correct Answer: C) Chemical. 7. If the M.A<1, ..... is greater than ..... A) Load, effort. B) Effort, load. C) Work, power. D) None of the above. Show Answer Correct Answer: B) Effort, load. 8. A 5000N block is lifted 10 m. Calculate the work done. A) 50000 J. B) 5000 J. C) 500 J. D) 50 J. Show Answer Correct Answer: A) 50000 J. 9. In a swinging pendulum, at what point is the kinetic energy at its maximum and potential energy at its minimum? A) At the highest point of the swing. B) At the lowest point of the swing. C) At the midpoint of the swing. D) It remains constant throughout the swing. Show Answer Correct Answer: B) At the lowest point of the swing. 10. A force exerted over a distance to move an object is ..... A) Power. B) Work. C) Momentum. D) Watt. Show Answer Correct Answer: B) Work. 11. When a roller coaster cart falls towards the ground, what happens to its potential energy? A) Increases. B) Decreases. C) Stays the same. D) Nothing. Show Answer Correct Answer: B) Decreases. 12. A weightlifter presses a 400N weight 0.6m over his head in 2s. What is the power of the weightlifter? A) 120W. B) 1200W. C) 200W. D) 240W. Show Answer Correct Answer: A) 120W. 13. What is the equation to calculate work done on gases? A) $P=\frac{F}{A}$. B) $W=F\cdot d$. C) $W=F\cdot d\cos\left(\theta\right)$. D) $W=P\cdot\Delta V$. Show Answer Correct Answer: D) $W=P\cdot\Delta V$. 14. In the equation W = Fd, force and distance are ..... related A) Directly. B) Inversely. C) Not. D) None of the above. Show Answer Correct Answer: B) Inversely. 15. A 4357-kg roller coaster car starts from rest at the top of a 36.5 m high track. Determine the speed of the car at the top of a loop that is 10.8 m high. A) 22.4 m/s. B) 2.24 m/s. C) 27.01 m/s. D) 2.7 m/s. Show Answer Correct Answer: A) 22.4 m/s. 16. What are the two factors that affect kinetic energy? A) Time and energy. B) Power and mass. C) Mass and speed. D) Time and work. Show Answer Correct Answer: C) Mass and speed. 17. Energy that is caused by vibrations in the air. A form of kinetic energy. A) Light energy. B) Electrical energy. C) Nuclear energy. D) Sound energy. Show Answer Correct Answer: D) Sound energy. 18. Which of the following is non conservative force? A) Viscous force. B) Gravitational force. C) Electric force. D) Elastic force. Show Answer Correct Answer: A) Viscous force. 19. Which is more important in baseball? A) A heavier bat. B) A faster swing. C) They are of equal importance. D) Neither matters. Show Answer Correct Answer: B) A faster swing. 20. A 750 kg car has it velocity change from 25 m/s to 5 m/s. What is the work done on the car? A) +225, 000 J. B) -7500 J. C) -450, 000 J. D) -225, 000 J. Show Answer Correct Answer: D) -225, 000 J. 21. How can power be calculated if work is done over a period of time? A) P = W * t. B) P = t / W. C) P = W + t. D) P = W / t. Show Answer Correct Answer: D) P = W / t. 22. Two balls, a bowling ball and a baseball, are both traveling with a velocity of 10 m/s. Which ball has the greater kinetic energy? A) The bowling ball. B) The baseball. C) They have the same. D) Neither has kinetic energy. Show Answer Correct Answer: A) The bowling ball. 23. Which of the following is not an element: A) Na. B) CO. C) C. D) P$_{4}$. Show Answer Correct Answer: B) CO. 24. In a roller coaster ride, where is the potential energy at its maximum and kinetic energy at its minimum? A) At the bottom of a hill. B) At the top of a hill. C) On a straight track. D) In a loop. Show Answer Correct Answer: B) At the top of a hill. 25. The equation for POTENTIAL ENERGY is A) PE = mass x gravity x height. B) PE = gravity x weight. C) PE = height / work. D) PE = work / time. Show Answer Correct Answer: A) PE = mass x gravity x height. ← 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