This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Physics Part I > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 14 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is NOT an example of the 3rd law of motion? A) I drop a 2 lb. ball and a 1lb. ball the 1 lb. ball goes farther than the 2 lb. one. B) When I swim, my arms push back against the water and I go forward. C) When my bike hits the side walk, my whole body goes forward. D) None of the above. Show Answer Correct Answer: A) I drop a 2 lb. ball and a 1lb. ball the 1 lb. ball goes farther than the 2 lb. one. 2. 45 m/s$^{2}$ is the ..... A) Acceleration. B) Weight. C) Force. D) Mass. Show Answer Correct Answer: A) Acceleration. 3. When calulating net force, what do we do if the arrows point in opposite directions? A) Subtract. B) Add. C) Divide. D) Multiply. Show Answer Correct Answer: A) Subtract. 4. Which law states that an object in motion will stay in motion or at rest unless acted upon by a nonzero force A) Newton's 1st. B) Newton's 2nd. C) Newton's 3rd. D) None of the above. Show Answer Correct Answer: A) Newton's 1st. 5. A person does not wear a seat belt and hits the windshield during a car accident. Why? A) The driver was texting while driving. B) The inertia of the unbelted person. C) The car was wrecked. D) None of the above. Show Answer Correct Answer: B) The inertia of the unbelted person. 6. ..... is the measure of inertia of a body A) Weight. B) Mass. C) Both. D) None. Show Answer Correct Answer: B) Mass. 7. Forces on an object that cause change in the motion of the object. A) Unbalanced force. B) Balanced force. C) All the above. D) None of the above. Show Answer Correct Answer: A) Unbalanced force. 8. There are ..... types of inertia A) 3. B) 4. C) 2. D) 1. Show Answer Correct Answer: A) 3. 9. In a game of tug-of-war, the people on each team pull with the amount of force shown. In which direction will the center of the rope go? A) To the east because the net force is greater in this direction. B) To the west because the net force is less in this direction. C) To the east because the net force is less in this direction. D) To the west because the net force is greater in this direction. Show Answer Correct Answer: D) To the west because the net force is greater in this direction. 10. Velocity is an objects speed and ..... A) Quickness. B) Velocity. C) Mass. D) Acceleration. Show Answer Correct Answer: D) Acceleration. 11. Which is an example of balanced forces? A) A door starting to open. B) A basketball being held. C) A truck beginning to accelerate. D) A book falling off a table. Show Answer Correct Answer: B) A basketball being held. 12. When an unbalanced force is applied to an object, it causes it to accelerate. A) Newton's first law. B) Newton's second law. C) Newton's third law. D) None of the above. Show Answer Correct Answer: B) Newton's second law. 13. Unit of momentum in SI system is ..... A) Ms$^{-2}$. B) Kg ms$^{-2}$. C) Ms$^{-1}$. D) Kg ms$^{-1}$. Show Answer Correct Answer: D) Kg ms$^{-1}$. 14. An object's weight is ..... its mass. A) Less than. B) Equal to. C) Even with. D) Proportional to. Show Answer Correct Answer: D) Proportional to. 15. Which law of motion explains the relationship between force, mass, and acceleration? A) Newton's second law. B) Newton's law of gravitation. C) Newton's third law. D) Newton's First law. Show Answer Correct Answer: A) Newton's second law. 16. Sally ran a distance of 8 m in 16 s. The graph below shows her motion. A) Her speed remained constant. B) Her speed was constantly changing. C) She decreased her speed after four seconds. D) She stopped moving after four seconds. Show Answer Correct Answer: A) Her speed remained constant. 17. If a ball of cheese is fired into frictionless space, the amount of force needed to keep it going equals A) 1/2 the force with which it was fired. B) Twice the force with which it was fired. C) Zero, since no force is requires to keep it moving. D) The same amount of force with which it was fired. Show Answer Correct Answer: C) Zero, since no force is requires to keep it moving. 18. Acceleration due to gravity ..... A) G=GMm/r$^{2}$. B) G=GM/R. C) G=GM/R$^{2}$. D) G=GM/R$^{3}$. Show Answer Correct Answer: C) G=GM/R$^{2}$. 19. .... is the maximum value of static friction A) Kinetic friction. B) Limiting friction. C) Sliding friction. D) Rolling friction. Show Answer Correct Answer: B) Limiting friction. 20. A force can ..... A) Make an object move. B) Make a moving object stop moving. C) Slow an object down. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. When a person jumps off a boat onto the shore, the boat tends to move in the opposite direction due to: A) First law of motion. B) Third law of motion. C) Second law of motion. D) Gravitation law. Show Answer Correct Answer: B) Third law of motion. 22. A force in circular motion that acts perpendicular to the direction of motion toward the center of the circle A) Net force. B) Centripetal force. C) Net force. D) Contact force. Show Answer Correct Answer: B) Centripetal force. 23. An object in motion will stay in motion unless an ..... force acts upon it A) Frictional. B) Balanced. C) Statical. D) Unbalanced. Show Answer Correct Answer: D) Unbalanced. 24. An object has a mass of 30 kg and an acceleration of 2 m/s$^{2}$. What must be the net force on the object?Use this equation:$F=m\times a$ A) 15 N. B) 60 N. C) 45 N. D) 0.067 N. Show Answer Correct Answer: B) 60 N. 25. Which statement best describes what must happen in order for a person to lift an object? A) The upward pull or push on the object must be greater than the force of gravity. B) The mass of the object must be greater than the force of gravity. C) The force of gravity must be greater than the mass of the object. D) The force of gravity must be greater the upward pull or push on the object. Show Answer Correct Answer: A) The upward pull or push on the object must be greater than the force of gravity. 26. You are sitting in a car that isn't moving; the car accelerates. Your body is pushed back. Explain. A) Inertia. B) Newtons. C) Vector. D) Gravity. Show Answer Correct Answer: A) Inertia. 27. Which activity would BEST demonstrate Newton's law of Inertia? A) A plate sits on a table top. B) A lady pushes a grocery cart. C) A child jumps on a trampoline. D) A boy swings a baseball bat. Show Answer Correct Answer: A) A plate sits on a table top. 28. Your shopping cart has a mass of 65 kilograms. In order to accelerate the shopping cart down an aisle at 0.3 m/sec$^{2 }$, which Newton's laws of motion will help you calculate the force you would need to apply to the cart? 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: B) Newton's 2nd law of motion. 29. Inertia is used when explaining Newton's A) First law of motion. B) Second law of motion. C) Third law of motion. D) None of the above. Show Answer Correct Answer: A) First law of motion. 30. How much force is required to accelerate a 40 kg car at $5\\frac{m}{s^2}$ A) 45 N. B) 8 N. C) 35 N. D) 200 N. Show Answer Correct Answer: D) 200 N. 31. If the Earth shrinks to 50% of its real radiusits mass remaining the same, the weight of abody on the Earth will A) Increase by 50%. B) Increase by 300%. C) Decrease by 25%. D) Decrease by 50%. Show Answer Correct Answer: B) Increase by 300%. 32. Which statement below is false? A) Weight is a constant no matter where you are located. B) Mass is a constant no matter where you are located. C) Mass is the amount of matter in an object. D) Weight depends on the force of gravity. Show Answer Correct Answer: A) Weight is a constant no matter where you are located. 33. Is speed in a certain direction. A) Speed. B) Velocity. C) All the above. D) None of the above. Show Answer Correct Answer: B) Velocity. 34. Which of the following statements is true regarding inertia? A) It is rate of change of velocity. B) It is measure of the gravitational force acting on an object. C) It is the property of an object to resist changes in its state of motion. D) It is a force that opposes motion. Show Answer Correct Answer: C) It is the property of an object to resist changes in its state of motion. 35. Who discovered gravity? A) Isaac Newton. B) Benjamin Franklin. C) Abraham Lincoln. D) John Adams. Show Answer Correct Answer: A) Isaac Newton. 36. Newton's 2nd Law is the Law of ..... A) Acceleration. B) Thermodynamics. C) Chemistry. D) Gravity. Show Answer Correct Answer: A) Acceleration. 37. Identify the law:Helicopters create lift by pushing air down, thereby experiencing an upward reaction force. 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. 38. Henry sees a basketball and decides to put in motion. What kind of force does Henry use to move the ball? A) Small. B) Balanced. C) Equal. D) Unbalanced. Show Answer Correct Answer: D) Unbalanced. 39. An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. A) Newton's 2nd Law of Motion. B) Newton's 1st Law of Motion. C) Newton's 3rd Law of Motion. D) Newton. Show Answer Correct Answer: B) Newton's 1st Law of Motion. 40. When you push or pull something, you are creating ..... A) Weight. B) A speed. C) A surface. D) A force. Show Answer Correct Answer: D) A force. 41. Acceleration of an object depends on the object's mass and magnitude of the force acting upon it (F=ma). A) Newton's First Law of Motion. B) Newton's Third Law of Motion. C) Newton's Second Law of Motion. D) None of the above. Show Answer Correct Answer: C) Newton's Second Law of Motion. 42. What will happen if you're in a car, and the driver slams on the brake? A) You will stop moving. B) You will continue moving forward. C) You will gradually slow down. D) You will speed up. Show Answer Correct Answer: B) You will continue moving forward. 43. Propulsion of rockets:law of interaction;accelerating car: ..... A) Law of universal gravitation. B) Law of conservation of energy. C) Law of inertia. D) Law of acceleration. Show Answer Correct Answer: D) Law of acceleration. 44. The harder you hit a baseball, the faster it accelerates. 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: B) Newton's 2nd Law of Motion. 45. Which of the following is a real-world example of Newton's Third Law of Motion? A) A car accelerating on a highway. B) A book resting on a table. C) A satellite orbiting Earth. D) A swimmer pushing water backward to move forward. Show Answer Correct Answer: D) A swimmer pushing water backward to move forward. 46. The more massive an object, the ..... affect a certain force will have on the object. A) More. B) Less. C) All the above. D) None of the above. Show Answer Correct Answer: B) Less. 47. Which activity would BEST demonstrate the Law of Action/Reaction? A) A car traveling down the road. B) A rocket launching to space. C) A soccer ball sitting on the ground. D) A lady pushing a grocery cart. Show Answer Correct Answer: B) A rocket launching to space. 48. Which of these vehicles moving at the same velocity is difficult to stop? A) A bus. B) A train. C) A car. D) A truck. Show Answer Correct Answer: B) A train. 49. What is the definition for a "Balanced Force" ? A) The net force does not equal 0 N. B) The sum of all the forces acting on an object. C) The net force is equal to 0 N. D) Forces come in equal but opposite pairs. Show Answer Correct Answer: C) The net force is equal to 0 N. 50. The velocity of an object changes only when it is acted on by an ..... force. A) Newton. B) Balanced. C) Unbalanced. D) Special. Show Answer Correct Answer: C) Unbalanced. 51. Action-Reaction force pairs ..... cause-and-effect interactions. A) Are. B) Are Not. C) All the above. D) None of the above. Show Answer Correct Answer: B) Are Not. 52. Which Newton's law explains when a man is pushed forward in the car as it stops? A) 1st Law. B) 2nd Law. C) 3rd Law. D) 2nd and 3rd Laws. Show Answer Correct Answer: A) 1st Law. 53. A ball sitting at the top of a hill. Kinetic or Potential? A) Potential. B) Kinetic. C) All the above. D) None of the above. Show Answer Correct Answer: A) Potential. 54. What causes a body to fall to Earth? A) Velocity. B) Gravity. C) Acceleration. D) Mass. Show Answer Correct Answer: B) Gravity. 55. In "catching a ball" which scenario is correct: A) A player pulls his hands backwards to increase the time thereby decreasing the force and preventing an injury. B) A player moves his hands forward to decrease the time thereby increasing the force and causing an injury. C) Both. D) None. Show Answer Correct Answer: A) A player pulls his hands backwards to increase the time thereby decreasing the force and preventing an injury. 56. Pick the best example of Newton's Third Law in action. A) A rocket taking off from earth which pushes gasses in one direction and the rocket in the other. B) A rocket sitting on the ground preparing for take-off but it needs an outside force to overcome its inertia of a non-moving object. C) A rocket that is accelerating through space and exerts a great amount of force because its mass and acceleration is so large. D) Both b and c. Show Answer Correct Answer: A) A rocket taking off from earth which pushes gasses in one direction and the rocket in the other. 57. An object's acceleration depends on its mass and speed. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 58. A jet engine works on the principle of ..... A) Conservation of mass. B) Conservation of angular momentum. C) Conservation of Energy. D) Conservation of linear momentum. Show Answer Correct Answer: D) Conservation of linear momentum. 59. When the net force is zero, the forces on an object are balanced. True or false. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 60. At the top of the swing, a child has no kinetic energy and all ..... energy. A) Potential. B) Kinetic. C) Thermal. D) None of the above. Show Answer Correct Answer: A) Potential. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books