This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When an object resists change, like a body in a turning car, it is called ..... A) Inertia. B) Force. C) Friction. D) Drag force. Show Answer Correct Answer: A) Inertia. 2. Action and reaction force pairs occur A) Only when there is motion. B) Only when there is no motion. C) Whether there is motion or not. D) None of the above. Show Answer Correct Answer: C) Whether there is motion or not. 3. 1 N is equal to A) Kg m s$^{-1}$. B) Kg m s$^{2}$. C) Kg m s$^{-2}$. D) Kg m$^{2 }$s$^{-1}$. Show Answer Correct Answer: C) Kg m s$^{-2}$. 4. A person is pushing their car forward with 1000 N of force causing it to speed up. After a while the car enters some mud which applies 1000 N of force in the opposite direction. At this point what will happen to the car? A) It will stop immediately. B) It will slow down and eventually stop. C) It will move with a constant speed and direction. D) It will continue to speed up, just not as quickly. Show Answer Correct Answer: C) It will move with a constant speed and direction. 5. Newton's law of inertia also states that an object in motion ..... (think of the space launch that ran out of fuel) A) Takes the path of most resistance. B) Resists a chance in direction. C) Goes in random directions, unless acted upon by another force. D) None of the above. Show Answer Correct Answer: B) Resists a chance in direction. 6. Which of Newton's Laws is the Law of Inertia? A) Newton's 1st Law. B) Newton's 2nd Law. C) Newton's 3rd Law. D) None of the above. Show Answer Correct Answer: A) Newton's 1st Law. 7. More mass = More inertia A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 8. An object's acceleration depends on its mass and the net force acting on it. A) Newton's First Law. B) Newton's Second Law. C) Newton's Third Law. D) All of these. Show Answer Correct Answer: B) Newton's Second Law. 9. To accelerate a vehicle t 3m/s2 what force will be needed if the mass of the vehicle is equal to 100 kg? A) 300. B) 0.03. C) 3000. D) 30. Show Answer Correct Answer: A) 300. 10. Identify the law:Birds and airplanes also fly by exerting force on the air in a direction opposite that of whatever force they need. For example, the wings of a bird force air downward and backward to get lift and move forward. A) Newton's 1st law of motion. B) Newton's 2nd law of motion. C) Newton's 3rd law of motion. D) None of the above. Show Answer Correct Answer: C) Newton's 3rd law of motion. 11. An object at rest will stay at rest and an object in motion will stay in motion at a constant velocity, unless acted on by an unbalanced force. A) Newton's first law. B) Newton's second law. C) Newton's third law. D) None of the above. Show Answer Correct Answer: A) Newton's first law. 12. A body moving in a circular path with constant speed has: A) Constant retardation. B) Variable acceleration. C) Radially outward acceleration. D) Constant acceleration. Show Answer Correct Answer: B) Variable acceleration. 13. A person is sitting in a lift accelerating upwards. Measured weight of person will be A) Less than actual weight. B) Equal to actual weight. C) More than actual weight. D) Zero. Show Answer Correct Answer: C) More than actual weight. 14. A machine gun fire n bullets per second and the mass of each bullet is m. If v is the speed of each bullet, then the force exerted on the machine gun is: ..... A) Mng. B) Mnv. C) Mnvg. D) (mnv)/g. Show Answer Correct Answer: B) Mnv. 15. What Unit do we Measure Force in? A) Newtons. B) Joules. C) Force. D) Don't know. Show Answer Correct Answer: A) Newtons. 16. If the mass of an object is tripled while the force remains constant, what happens to the acceleration? A) It is tripled. B) It remains the same. C) It is reduced to one-third. D) It is doubled. Show Answer Correct Answer: C) It is reduced to one-third. 17. Identify Newton's 3rd Law of Motion A) A push or a pull. B) The total net force. C) Every action has an equal but opposite reaction. D) The net force not equal to 0 N. Show Answer Correct Answer: C) Every action has an equal but opposite reaction. 18. You push against a wall and the wall is pushing back on you. A) Newton's 1st Law of Motion. B) Newton's 2nd Law of Motion. C) Newton's 3rd Law of Motion. D) None of the above. Show Answer Correct Answer: C) Newton's 3rd Law of Motion. 19. A force that resists or works against motion is A) Gravity. B) Friction. C) Power. D) Destruction. Show Answer Correct Answer: B) Friction. 20. What is the difference between mass and weight? A) Mass is how much matter is in an object, and weight is the gravitational pull on that object. B) Mass and weight are the same. C) Weight affects how much mass is in an object. D) Weight is determined by how many atoms make up an object. Show Answer Correct Answer: A) Mass is how much matter is in an object, and weight is the gravitational pull on that object. 21. If I slowly roll a ball down the hallway, why does it eventually stop? A) Because of Newton's First Law. B) Friction and Air Resistance. C) Inertia. D) It wouldn't stop, it would keep going until it hits a wwall. Show Answer Correct Answer: B) Friction and Air Resistance. 22. According to Newton's first law of motion, a moving object that is not acted on by an unbalanced force will A) Remain in motion. B) Eventually come to a stop. C) Accelerate in the absence of friction. D) None of the above. Show Answer Correct Answer: A) Remain in motion. 23. If an object is in motion it will remain ..... , unless an external force act on it. A) In motion. B) At rest. C) Gravity. D) Weightless. Show Answer Correct Answer: A) In motion. 24. If $\mu$$_{s}$, $\mu$$_{k}$ and $\mu$$_{r}$ are coefficients of static friction, sliding friction and rolling friction, then A) $\mu$$_{s }$< $\mu$$_{k }$< $\mu$$_{r}$. B) $\mu$$_{k}$ < $\mu$$_{r}$ < $\mu$$_{s}$. C) $\mu$$_{r}$ < $\mu$$_{k}$ < $\mu$$_{s}$. D) $\mu$$_{r}$ = $\mu$$_{k}$ = $\mu$$_{s}$. Show Answer Correct Answer: C) $\mu$$_{r}$ < $\mu$$_{k}$ < $\mu$$_{s}$. 25. Neglecting friction, which item needs a grater net force to move on a horizontal table, a kilogram of feathers or a kilogram of iron? A) Feathers. B) They both require the same amount of force. C) Iron. D) Neither will move. Show Answer Correct Answer: B) They both require the same amount of force. ← PreviousNext →Related QuizzesClass 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 1Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 2Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 3Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 4Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 5Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 6Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 7Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 8Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 9Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books