This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 11 Force And Pressure – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 11 Force And Pressure Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What happens when two forces act in the same direction? A) They cancel each other out. B) The stronger one prevails. C) Their strengths are added. D) Their sum divided by the two is the total force. Show Answer Correct Answer: C) Their strengths are added. 2. THE FORCE OF ATTRACTION BETWEEN TWO OBJECTS DUE TO THEIR MASSES IS CALLED AS A) FORCE. B) GRAVITATIONAL FORCE. C) MUSCULAR FORCE. D) THRUST. Show Answer Correct Answer: B) GRAVITATIONAL FORCE. 3. A force may make a object move from rest. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. Motion of earth around sun is ..... A) Non periodic motion. B) Periodic motion. C) Circulatory. D) Both periodic and circulatory. E) Both non periodic and circulatory. Show Answer Correct Answer: D) Both periodic and circulatory. 5. What do we mean by the MAGNITUDE of a force? A) The speed of the force. B) The direction of the force. C) The type of the force. D) The strength of the force. Show Answer Correct Answer: D) The strength of the force. 6. Do liquids and gases exert pressure? A) Yes. B) No. C) Cannot say anything about it. D) None of the above. Show Answer Correct Answer: A) Yes. 7. Forces changes the A) Shape of the object. B) Speed of the object. C) Direction of the object. D) All of these. Show Answer Correct Answer: D) All of these. 8. Buses and trucks usually have double wheels on the rear side to A) Increase pressure. B) Decrease pressure. C) Exert same pressure. D) Decrease area of contact. Show Answer Correct Answer: B) Decrease pressure. 9. The reason we are not crushed under the force of gravity is that the A) The pressure inside our bodies is also equal to the atmospheric pressure and balances the pressure from outside. B) The pressure inside our bodies is also equal to the gravitational pressure and balances the pressure from outside. C) The friction inside our bodies is also equal to the atmospheric pressure and balances the pressure from outside. D) None of the above. Show Answer Correct Answer: A) The pressure inside our bodies is also equal to the atmospheric pressure and balances the pressure from outside. 10. An example of a non-contact force is A) Force exerted by us to lift a bucket. B) Push a stationary car. C) Force exerted by magnet. D) Hit a cricket ball for a 6 run. Show Answer Correct Answer: C) Force exerted by magnet. 11. The atmosphere exists to about ..... height and extends up to about 400 km height. A) 20 Km. B) 16 Km. C) 20. D) None of the above. Show Answer Correct Answer: B) 16 Km. 12. Force is a push or pull which helps in changing of an object A) Position. B) Direction. C) Shape. D) All of them. Show Answer Correct Answer: D) All of them. 13. Children playing football in park show what kind of motion? A) Unifrom. B) Non peroidic. C) Peroidic. D) Linear. Show Answer Correct Answer: B) Non peroidic. 14. When two forces, applied on an object, are equal and opposite, then these forces- A) May move the object. B) May stop a moving object. C) May move the object and also cause a change in its shape. D) Do not move the object but may cause a change in its shape. Show Answer Correct Answer: B) May stop a moving object. 15. The properity of liquid to exert an upward force on an object immersed in it is called as a ..... A) Pressure. B) Force. C) Buoyancy. D) Density. Show Answer Correct Answer: C) Buoyancy. 16. Which of the following is a PUSH force? A) Apple falling from a tree. B) Hitting a nail with a hammer. C) Catching a ball. D) Getting water from a well. Show Answer Correct Answer: B) Hitting a nail with a hammer. 17. The force exerted by a charged body on another charge: A) Gravitational force. B) Electrostatic force. C) Non-contact force. D) Contact force. Show Answer Correct Answer: B) Electrostatic force. 18. Name the pressure exerted by air around us. A) Thermal pressure. B) Adiabatic pressure. C) Atmospheric pressure. D) None of these. Show Answer Correct Answer: C) Atmospheric pressure. 19. Fruits falling from trees is an example of ..... A) Muscular force. B) Frictional force. C) Electrostatic force. D) Gravitational force. Show Answer Correct Answer: D) Gravitational force. 20. A force F acts on 4 different objects, having areas given below. In which case, the pressure exerted will be maximum? A) 20m$^{2}$. B) 50m$^{2}$. C) 10m$^{2}$. D) 100m$^{2}$. Show Answer Correct Answer: C) 10m$^{2}$. 21. The pressure which is exerted by air around us is called A) Force. B) Atmospheric Pressure. C) Pressure. D) None of the above. Show Answer Correct Answer: B) Atmospheric Pressure. 22. Speed is a ..... quantity A) Vector. B) Scaler. C) Both. D) None of the above. Show Answer Correct Answer: B) Scaler. 23. The force exerted by our muscle is called: A) Electrostatic force. B) Muscular force. C) Gravitational force. D) Non-contact force. Show Answer Correct Answer: B) Muscular force. 24. North pole of a bar magnet repels the north pole of another bar magnet. the force acting is A) Non contact force. B) Contact force. C) Gravitational force. D) Muscular force. Show Answer Correct Answer: A) Non contact force. 25. Opening a door is an example of a A) (a) contact force. B) (b) non-contact force. C) (c) muscular force. D) Both (a) and (c). Show Answer Correct Answer: D) Both (a) and (c). ← 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 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 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books