This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 11 Force And Pressure – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 11 Force And Pressure Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Opening a doar is an example of A) Contact force. B) Non contact force. C) Gravitational force. D) None of the above. Show Answer Correct Answer: A) Contact force. 2. Pressure can be measured in Pascals or Newton per square meter. 1 Pa = 1 N / m2 A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. What is meant by force A) A force Is a cause which tends to results in movement or change in size or shape of the body. B) Force is that cause which changes the state of a body or changes the size or shape of the body. C) Both option A and B. D) None of these. Show Answer Correct Answer: C) Both option A and B. 4. Which type of force is force of gravity A) Contact force and attraction. B) Non contact force and attraction. C) Contact force and repulsive. D) Non contact force and repulsive. Show Answer Correct Answer: B) Non contact force and attraction. 5. A Spring Balance is used for measuring A) Speed. B) Pressure. C) Weight. D) None of the above. Show Answer Correct Answer: C) Weight. 6. What is strength of force called? A) Altitude. B) Magnitude. C) Attitude. D) None. Show Answer Correct Answer: B) Magnitude. 7. A ..... EXERTED BY AN OBJECT ON ANOTHER IS FORCE. A) PUSH OR PULL. B) CONTACT FORCES. C) MAGNITUDE. D) PRESSURE. Show Answer Correct Answer: A) PUSH OR PULL. 8. A force of 4 N acts on a lever 2 m from the pivot. What is the moment? A) 8 Nm. B) 6 Nm. C) 2 Nm. D) 3 Nm. Show Answer Correct Answer: A) 8 Nm. 9. Some Mustard Oil Is Kept In A Beaker. It Will Exert Pressure: A) Downwards only. B) Sideways only. C) Upwards only. D) In all directions. Show Answer Correct Answer: D) In all directions. 10. Pressure exerted by water at the bottom of the container depends on the ..... of its column. A) Width. B) Depth. C) Height. D) None of these. Show Answer Correct Answer: C) Height. 11. The SI unit of density of a substance is ..... A) Gm / cc. B) Pa / m$^{2}$. C) Kg / m$^{3}$. D) None of the above. Show Answer Correct Answer: C) Kg / m$^{3}$. 12. Magnet is an example of ..... A) Contact force. B) Non-contact force. C) Muscular force. D) Friction force. Show Answer Correct Answer: B) Non-contact force. 13. The strength of a force is usually expressed by its magnitude A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. An archer stretches a bow to shoot an arrow. Which force does she use? A) Gravity. B) Magnetic Force. C) Friction. D) Muscular Force. Show Answer Correct Answer: D) Muscular Force. 15. The pressure which is exerted by air around us is known as A) Force. B) Atmospheric pressure. C) Muscular force. D) Friction. Show Answer Correct Answer: B) Atmospheric pressure. 16. The state of motion of an object is described by its ..... and the ..... of motion A) Speed, direction. B) Gravity, force. C) Pressure, distance. D) Force, distance. E) Gravity, Direction. Show Answer Correct Answer: A) Speed, direction. 17. Two tyres of a tractor are very wide and huge because A) Pressure increase when area increases. B) Pressure reduces when area increases. C) None of the above. D) None of the above. Show Answer Correct Answer: B) Pressure reduces when area increases. 18. Pressure decreases when the surface area over which a force is applied increases A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. How much weight of air is always on our head A) 1000 Kg. B) 500 Kg. C) 10 Kg. D) None of the above. Show Answer Correct Answer: A) 1000 Kg. 20. TRUE OR FALSES.I unit of pressure is Pascal A) True. B) False. C) Maybe true, Maybe false. D) Maybe false, Maybetrue. Show Answer Correct Answer: A) True. 21. What is the SI unit of force A) Dyne. B) Newton. C) Watt. D) Pascal. Show Answer Correct Answer: B) Newton. 22. The easiest way to open a heavy door is by applying the force A) Near the hinges. B) In the middle of the door. C) At the edge of the door far from the hinges. D) At the top of the door. Show Answer Correct Answer: C) At the edge of the door far from the hinges. 23. Force changes the A) Motion of body. B) Speed of body. C) Shape of body. D) All of these. Show Answer Correct Answer: D) All of these. 24. Force acting per unit area of a surface is called the A) Net force. B) Contact Force. C) Pressure. D) Magnitude. Show Answer Correct Answer: C) Pressure. 25. The amount of force pushing on an area is the definition of ..... A) Fluid. B) Viscosity. C) Barometer. D) Pressure. Show Answer Correct Answer: D) Pressure. ← PreviousNext →Related QuizzesClass 8 Science Chapter 11 Force And Pressure Quiz 1Class 8 Science Chapter 11 Force And Pressure Quiz 2Class 8 Science Chapter 11 Force And Pressure Quiz 4Class 8 Science Chapter 11 Force And Pressure Quiz 5Class 8 Science Chapter 11 Force And Pressure Quiz 6Class 8 Science Chapter 11 Force And Pressure Quiz 7Class 8 Science Chapter 11 Force And Pressure Quiz 8Class 8 Science Chapter 11 Force And Pressure Quiz 9Class 8 Science Chapter 11 Force And Pressure Quiz 10Class 8 Science Chapter 11 Force And Pressure Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books