This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 11 Force And Pressure – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 11 Force And Pressure Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which force is non contact force A) Gravitational. B) Magnetic. C) Electrostatic. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. Which force act from distance and pull iron objects? A) Muscular Force. B) Magnetic Force. C) Electrostatic Force. D) Gravitational Force. Show Answer Correct Answer: B) Magnetic Force. 3. Force acting per unit area A) Density. B) Pressure. C) Volume. D) Thrust. Show Answer Correct Answer: B) Pressure. 4. The force exerted by a magnet is an example of a ..... force A) Non-contact force. B) Gravitational force. C) Muscular force. D) Contact force. E) Atmospheric pressure. Show Answer Correct Answer: A) Non-contact force. 5. Friction always A) Helps in motion. B) Opposes motion. C) Both of these. D) None of these. Show Answer Correct Answer: B) Opposes motion. 6. Motion of drill machine is A) Rectilinear. B) Rotatory. C) Both a and b. D) None of these. Show Answer Correct Answer: C) Both a and b. 7. If more than one forces are acting on a body, then the effect on the body is due to the net force. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 8. Is displacement can be zero??? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 9. Find odd man out:N / m$^{2}$, Kg / m$^{3}$, bar, pascal A) N / m$^{2}$. B) Kg / m$^{3}$. C) Bar. D) Pascal. Show Answer Correct Answer: B) Kg / m$^{3}$. 10. Where would you find the largest pressure? A) At the bottom of the ocean. B) At the top of Mt Everest. C) Close to ground on the Scotch oval. D) In a rockpool on the Great Barrier Reef. Show Answer Correct Answer: A) At the bottom of the ocean. 11. Assertion (A):Sea divers wear a special suit when they go deep in the sea. Reason(R):The pressure increases as we go deeper into a liquid. A) Both A and R are true, and R is the correct explanation of the assertion. B) Both A and R are true, but R is not the correct explanation of the assertion. C) A is true, but R is false. D) A is false, but R is true. Show Answer Correct Answer: A) Both A and R are true, and R is the correct explanation of the assertion. 12. Chose the correct statement from the following- A) Unbalanced forces are responsible for the change in shape. B) The SI unit of Force is Pascal. C) Force cannot change the direction of a body. D) Balanced forces are responsible for the change in shape. Show Answer Correct Answer: A) Unbalanced forces are responsible for the change in shape. 13. The length of the column is ..... to the pressure exerted by air. A) None of these. B) Smaller. C) Greater. D) Equal. Show Answer Correct Answer: D) Equal. 14. The force exerted by a charged body on another is called A) Gravitational force. B) Electrostatic force. C) Non contact force. D) Contact force. Show Answer Correct Answer: B) Electrostatic force. 15. What is force? A) Pull. B) Push. C) Push and push both. D) None of these. Show Answer Correct Answer: C) Push and push both. 16. When the area of contact is increased, pressure also increases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 17. What is state of motion? A) Position of rest. B) Position of motion. C) Both by the state of rest or motion. D) None of these. Show Answer Correct Answer: C) Both by the state of rest or motion. 18. Fluids can also include ..... and ..... A) Solids and liquids. B) Solids and gases. C) Liquids and gases. D) Liquids. Show Answer Correct Answer: C) Liquids and gases. 19. The unit to measure atmospheric pressure is: A) Torr. B) Pascal. C) M$^{3}$. D) None of the above. Show Answer Correct Answer: A) Torr. 20. If motion repeat itself after regular interval of time, said to A) Random. B) Linear. C) Periodic. D) Zig Zag. Show Answer Correct Answer: C) Periodic. 21. Object attract towards Earth due to ..... A) Muscular Force. B) Gravity. C) Friction. D) Magnetic Force. Show Answer Correct Answer: B) Gravity. 22. A construction worker is worried about applying too much torque to a bolt using his wrench. What could he do to reduce his torque on the bolt? A) Increase the length of the wrench. B) Increase the force on wrench. C) Reduce the length of the wrench. D) Reduce the friction between the bolt and wrench. Show Answer Correct Answer: C) Reduce the length of the wrench. 23. Which one of the following forces is a contact force? A) Electrostatic force. B) Magnetic force. C) Force of friction. D) Force of gravity. Show Answer Correct Answer: C) Force of friction. 24. The envelop of air is known as the ..... A) Atmosphere. B) Atmospheric pressure. C) Atmospheric nitrogen. D) Stratosphere. Show Answer Correct Answer: A) Atmosphere. 25. The pressure exerted by a liquid is inversely proportional to its density. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. ← 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 3Class 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