This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A goalkeeper in football game pulls his hands backwards after holding the ball shot at the goal. This enables the goal keeper to A) Exert larger force on the ball. B) Reduce the force exerted by the ball on hands. C) Increase the rate of change of momentum. D) Decrease the rate of change of momentum. Show Answer Correct Answer: B) Reduce the force exerted by the ball on hands. 2. Resistance to change in motion A) Friction. B) Gravity. C) Inertia. D) Mass. Show Answer Correct Answer: C) Inertia. 3. An arrow can be used to represent a force. The length of the arrow represents ..... A) Direction of the force. B) Mass of the force. C) Strength of the force. D) Acceleration of the force. Show Answer Correct Answer: C) Strength of the force. 4. Electromagnetic force A) It determines the ways in which electrically charged particles interact with each other and with magnetic fields. B) It holds the protons and neutrons in the nucleus of the atom and overcomes the repulsion between the protons. C) The force in an atomic nucleus responsible for radioactivity, and prompts the nuclear fusion reaction that fuels the sun. D) A force that resists motion in two objects that are moving against each other. Show Answer Correct Answer: A) It determines the ways in which electrically charged particles interact with each other and with magnetic fields. 5. A bike accelerates at 10 m/s$^{2 }$when a force of 50N is applied. What is the mass of the bike and its rider? A) 25 kg. B) 200 kg. C) 20 kg. D) 5 kg. Show Answer Correct Answer: D) 5 kg. 6. What is Newton's 1st Law? A) For every action there is an equal and opposite reaction. B) An object at rest will stay at rest, an object in motion will stay in motion, unless an unbalanced force acts upon it. C) All the above. D) None of the above. Show Answer Correct Answer: B) An object at rest will stay at rest, an object in motion will stay in motion, unless an unbalanced force acts upon it. 7. The total momentum before a collision is ..... the total momentum after a collision. A) Equal to. B) Less than. C) More than. D) It depends on the type of collision. Show Answer Correct Answer: A) Equal to. 8. What is acceleration? A) Transfer of energy to an object. B) Going faster. C) A change in velocity (speed, direction, or both). D) An object remaining in motion or at rest until something changes it. Show Answer Correct Answer: C) A change in velocity (speed, direction, or both). 9. How would the measurable properties of a golf ball change if it were moved from Earth to the moon? A) It would have the same mass but a different weight. B) It would have the same weight but different mass. C) It would have the same density but a different mass. D) It would have the same mass but different density. Show Answer Correct Answer: A) It would have the same mass but a different weight. 10. The gravitational pull is greater between two objects that A) Have greater masses. B) Have rougher surfaces. C) Are farther apart. D) Are moving at greater speed. Show Answer Correct Answer: C) Are farther apart. 11. All objects have inertia A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. A car driving down the road runs out of a gasoline. Which of Newton's laws explains why the car continues to move without gasoline? A) An object in motion stays in motion unless acted upon by an unbalanced force. B) An object at rest stays at rest unless acted upon by an unbalanced force. C) The greater the force applied, the greater the acceleration. D) For every action, there is an equal and opposite reaction. Show Answer Correct Answer: A) An object in motion stays in motion unless acted upon by an unbalanced force. 13. Which of the following is the unit of Force:- A) Kg.m/s. B) Kg.m/s$^{2}$. C) N.s$^{-1}$. D) J.s$^{-1}$. Show Answer Correct Answer: B) Kg.m/s$^{2}$. 14. What causes a ball rolling across a rug to slow to a stop? A) Gravity. B) Friction. C) Temperature. D) Pressure. Show Answer Correct Answer: B) Friction. 15. A train rolls to a stop along a horizontal track without the conductor applying the brakes. What answer choice BEST explains why this occurred? A) The train ran out of momentum. B) The opposing force of friction stopped the train. C) The natural state of the train is not to be in motion. D) The force of gravity slowed the train until it stopped. Show Answer Correct Answer: B) The opposing force of friction stopped the train. 16. A body at rest will remain at rest unless acted upon by an unbalanced force. 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. 17. You pull a wagon with your younger sister in it. Which of these would accelerate the rate at which you can pull the wagon? A) Pull the wagon with less force. B) Pull the wagon with more force. C) Have your sister push down on the wagon. D) Put another of your siblings in the wagon. Show Answer Correct Answer: B) Pull the wagon with more force. 18. Which of the following statements is true according to Newton's Laws? A) An object will move faster if the mass is increased. B) An object will stop moving if no force is applied. C) An object will accelerate if a net force is applied. D) An object will move in the opposite direction of the applied force. Show Answer Correct Answer: C) An object will accelerate if a net force is applied. 19. Both the mass and the net force of an accelerating object are suddenly halved. This will cause the acceleration of the object to A) Double. B) Be halved. C) Remain unchanged. D) None of the above. Show Answer Correct Answer: C) Remain unchanged. 20. Identify which law applies:You dribble a basketball while walking on a basketball court. 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. 21. A crumpled piece of paper hits the ground before a flat sheet of paper because A) The acceleration of gravity is greater on the crumpled paper. B) There is more air resistance against the flat paper. C) The crumpled paper is more massive. D) The crumpled paper is less massive. Show Answer Correct Answer: B) There is more air resistance against the flat paper. 22. Solve the following equation to find the acceleration of the object.20n = 10kg x a A) 2 kilometers. B) 200 meters per second. C) 8 meters per second. D) 2 meters per second. Show Answer Correct Answer: D) 2 meters per second. 23. Which law states that an object that exerts a force on another object will receive an equal and opposite force from the second object A) Newton's 1st. B) Newton's 2nd. C) Newton's 3rd. D) None of the above. Show Answer Correct Answer: C) Newton's 3rd. 24. What is net force? A) A force associated with the internet. B) The combined forces acting on a particular object. C) The same thing as inertia. D) The same thing is gravity. Show Answer Correct Answer: B) The combined forces acting on a particular object. 25. Which of Newton's laws describes pushing a massive truck vs a small car? A) Newton's 1st Law. B) Newton's 2nd Law. C) Newton's 3rd Law. D) None of the above. Show Answer Correct Answer: B) Newton's 2nd Law. ← 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