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 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 13 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A 267.5 N unbalanced force applied to push a stuffed chair across the room, causing an acceleration of $4.2\\frac{m}{s^2}$ A) 263.3 kg. B) 26.75 kg. C) 63.69 kg. D) 1123.5 kg. Show Answer Correct Answer: C) 63.69 kg. 2. An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck increases speed more quickly. Which law best explains this situation? A) Newton's second law. B) Newton's first law. C) Newton's third law. D) Conservation of momentum. Show Answer Correct Answer: A) Newton's second law. 3. A golf ball is sitting on a tee. Then the golf ball is hit by a golf club. Which law is this an example of? 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. 4. What is the other name for Newton's second law? A) Law of Force and Acceleration. B) Law of Inertia and Acceleration. C) No option. D) Law of Gravity and Acceleration. Show Answer Correct Answer: A) Law of Force and Acceleration. 5. What is the 2nd law of motion? A) An object's acceleration depends of the mass of the object. B) A object in motion stays in motion. C) Unbalanced forces cause something to move. D) None of the above. Show Answer Correct Answer: A) An object's acceleration depends of the mass of the object. 6. A ..... is a push or pull on an object A) Magnet. B) Friction. C) Wind. D) Force. Show Answer Correct Answer: D) Force. 7. The masses of four vehicles and the net forces acting on them as they enter a highway are recorded in the table.Which vehicle has the greatest acceleration as it enters the highway? A) SUV. B) Coupe. C) Sedan. D) Truck. Show Answer Correct Answer: B) Coupe. 8. Which of Newton's Three Laws does the following statement satisfy? For every action there is an equal and opposite reaction. A) Newton's First Law. B) Newton's Second Law. C) Newton's Third Law. D) All of the above. Show Answer Correct Answer: C) Newton's Third Law. 9. In order to move an object, the forces must be what? A) At rest. B) Balanced. C) Unbalanced. D) In motion. Show Answer Correct Answer: C) Unbalanced. 10. As mass increases, gravitational force ..... As distance increases, gravitational force ..... A) Increases; decreases. B) Increases; increases. C) Decreases; increases. D) Decreases; decreases. Show Answer Correct Answer: A) Increases; decreases. 11. What is the unit of mass? A) Newtons. B) Kg. C) M/s 2. D) M/s. Show Answer Correct Answer: B) Kg. 12. The Law is also called 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. 13. Which Law of Motion is this? "When Bobby, age 5, and his dad are skipping pebbles on the pond, the pebbles that Bobby's dad throw move faster than his" A) 1st. B) 2nd. C) 3rd. D) None of the above. Show Answer Correct Answer: B) 2nd. 14. 1gf= ..... dyneSpeed of light is ..... A) 9803 x10$^{8}$ m/s. B) 983 x10$^{8}$ m/s. C) 98003 x10$^{8}$ m/s. D) 9853 x107 m/s. Show Answer Correct Answer: A) 9803 x10$^{8}$ m/s. 15. In SI system unit of force is A) Metre. B) Newton. C) Joule. D) Dyne. Show Answer Correct Answer: B) Newton. 16. A force that acts only when there is physical contact between two bodies. A) Contact force. B) Non-contact force. C) All the above. D) None of the above. Show Answer Correct Answer: A) Contact force. 17. ..... is the rubbing force that acts against motion between two touching surfaces. A) Acceleration. B) Momentum. C) Normal force. D) Friction. Show Answer Correct Answer: D) Friction. 18. TRUE or FALSE:Motion is the change in an objects position with respect to time and in comparison to the position of other objects used as reference points. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Combined forces that form a net force that is not zero A) Contact force. B) Unbalanced forces. C) Noncontact force. D) Balanced forces. Show Answer Correct Answer: B) Unbalanced forces. 20. The formula for force is ..... A) A = f/m. B) M = f/a. C) F = ma. D) None of the above. Show Answer Correct Answer: C) F = ma. 21. The smaller the mass of an object, the ..... its inertia. A) Greater. B) Smaller. C) All the above. D) None of the above. Show Answer Correct Answer: B) Smaller. 22. The total momentum of any group of objects ..... unless outside forces act on the objects. A) Changes. B) Remains the same. C) All the above. D) None of the above. Show Answer Correct Answer: B) Remains the same. 23. Gravitational force exerted on an object A) Friction. B) Weight. C) Static. D) Mass. Show Answer Correct Answer: B) Weight. 24. If the distance between two objects is doubled and both masses are doubled then gravitational force between them is reduced to ..... of original value of force. A) Increase. B) Infinity. C) Reduce. D) Same. Show Answer Correct Answer: D) Same. 25. A change in an objects speed or direction A) Speed. B) Motion. C) Velocity. D) Acceleration. Show Answer Correct Answer: D) Acceleration. 26. DISCRIMINATION:Contact forces A) Gravitational force. B) Frictional force. C) Tensional force. D) Normal force. Show Answer Correct Answer: A) Gravitational force. 27. An object that has an unbalanced force acting on it will accelerate in the direction of that force A) Newton's 1st Law of Motion. B) Newton. C) Newton's 3rd Law of Motion. D) Newton's 2nd Law of Motion. Show Answer Correct Answer: D) Newton's 2nd Law of Motion. 28. A box takes 40 N to start moving when the coefficient of static friction is .54. What is the weight of the box? A) 18 N. B) 98 N. C) 74 N. D) 81 N. Show Answer Correct Answer: C) 74 N. 29. Where is Isaac Newton from? A) U.S. B) England. C) Holland. D) U.K. Show Answer Correct Answer: B) England. 30. Which of the following, moving at thesame speed, would be hardest to stop? A) Car. B) Fire engine. C) Stroller. D) Frisbee. Show Answer Correct Answer: B) Fire engine. 31. What is Newton's quantity of motion? A) Momentum. B) Force. C) Velocity. D) None of the above. Show Answer Correct Answer: A) Momentum. 32. When a mule stops suddenly, the packages on its back continue to move forward onto the ground. Which law is this? A) Law 1. B) Law 2. C) Law 3. D) None of the above. Show Answer Correct Answer: A) Law 1. 33. True or False:A theory has been proven true, whereas a law has not yet been proven. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 34. Which is MOST likely needed when describing the change in position of an object? A) Direction change. B) Constant rate. C) Reference point. D) Initial speed. Show Answer Correct Answer: C) Reference point. 35. What happens to the acceleration of an object if the net force acting on it is doubled, according to Newton's Second Law? A) The acceleration is doubled. B) The acceleration is quadrupled. C) The acceleration remains the same. D) The acceleration is halved. Show Answer Correct Answer: A) The acceleration is doubled. 36. The first law of motion is ..... A) Sir Issac Newton. B) Law of Inertia:An object at rest tends to stay at rest unless acted on by an unbalanced force. C) Law of Force and Acceleration:The greater the mass of the object being accelerated the greater the amount of force needed to accelerate the object. D) Law of Action/Reaction:For every action there is an equal and opposite reaction. Show Answer Correct Answer: B) Law of Inertia:An object at rest tends to stay at rest unless acted on by an unbalanced force. 37. Which formula is used to calculatemomentum? A) Momentum = Volume x Velocity. B) Momentum = Mass x Velocity. C) Momentum = Mass x Speed. D) Momentum = Weight x Speed. Show Answer Correct Answer: B) Momentum = Mass x Velocity. 38. The linear momentum measures the impact of a ..... on a body A) Force. B) Mass. C) Momentum. D) Acceleration. Show Answer Correct Answer: A) Force. 39. The line or path in which an object is moving is its ..... A) Position. B) Force. C) Movement. D) Direction. Show Answer Correct Answer: D) Direction. 40. In order for a rope to anchor a boat in place, the rope must exert a force A) Greater than the force exerted by the water current in the opposite direction. B) Equal to the force exerted by the water current in the opposite direction. C) Greater than the force exerted by the water current in the same direction. D) Equal to the force exerted by the water current in the same direction. Show Answer Correct Answer: B) Equal to the force exerted by the water current in the opposite direction. 41. If a force of 250 N acts on the body, the momentum acquired is 125 kg m s$^{-1}$; what is the period for which force acts on the body? A) 0.4 s. B) 0.25 s. C) 0.2 s. D) 0.5 s. Show Answer Correct Answer: D) 0.5 s. 42. CONCEPT RECALL:Forces acting on an object at the same time are combined. A) Non-contact force. B) Net force. C) Contact force. D) Unbalanced force. Show Answer Correct Answer: B) Net force. 43. What do we measure mass in? A) Tons. B) Ounces. C) Grams. D) Pounds. Show Answer Correct Answer: C) Grams. 44. According to Newton's Third Law, action and reaction are ..... A) Equal and in the same direction. B) Equal and in opposite directions. C) Unequal and in the same direction. D) Unequal and in opposite direction. Show Answer Correct Answer: B) Equal and in opposite directions. 45. Which of the following scenarios is an example of Newton's Third Law? A) A ball rolling down a hill. B) A person pushing against a wall and the wall pushing back. C) A car accelerating on a highway. D) A satellite orbiting Earth. Show Answer Correct Answer: B) A person pushing against a wall and the wall pushing back. 46. The dimension of force are A) M$^{2}$LT $^{-3}$. B) ML$^{2}$T $^{-1}$. C) MLT $^{-2}$. D) MLT $^{-1}$. Show Answer Correct Answer: C) MLT $^{-2}$. 47. If lil Houdeshell weighs 378 Newtons on Earth and 63 Newtons on the moon, this means that her ..... A) Mass is greater on earth. B) Mass is greater on the moon. C) Inertia is greater on earth and less on the moon. D) Mass is the same on the moon and the earth. Show Answer Correct Answer: D) Mass is the same on the moon and the earth. 48. Newton's third law of motion states that if one object exerts a force on another object, then the second object exerts a force of equal strength in the ..... direction? A) Same. B) Opposite. C) All the above. D) None of the above. Show Answer Correct Answer: B) Opposite. 49. Any push or pull that causes an object to move, stop, or change speed or direction is ..... A) A force. B) Work. C) Energy. D) Gravity. Show Answer Correct Answer: A) A force. 50. A sled sliding on a flat, icy surface with a constant velocity is best described by A) Newton's first law of motion for objects at rest. B) Newton's first law of motion for objects in motion. C) Newton's third law of motion. D) Newton's second law of motion. Show Answer Correct Answer: B) Newton's first law of motion for objects in motion. 51. When an object is falling and the force of gravity is equal to the force of air resistance A) Terminal Velocity. B) Top Speed. C) Parachute Level. D) Free Fall. Show Answer Correct Answer: A) Terminal Velocity. 52. 3rd law of motion A) That the acceleration of an object is dependent upon two variables-Net Force and mass. B) Every action has an equal and opposite reaction. C) Every object will remain at rest or constant motion until a outside forces acts upon it. D) None of the above. Show Answer Correct Answer: B) Every action has an equal and opposite reaction. 53. An aeroplane is flying in a horizontal circular path of radius 2 Km at a place where g = 10m/s$^{2}$. If the speed of the plane remains constant is 720 kmph, the angle with the horizontal at which the wings of the plane are inclined is equal to A) $\tan^{-1}\left(\frac{1}{5}\right)$. B) $\tan^{-1}\left(\frac{1}{3}\right)$. C) $\tan^{-1}\left(2\right)$. D) $\tan^{-1}\left(\frac{1}{2}\right)$. Show Answer Correct Answer: C) $\tan^{-1}\left(2\right)$. 54. Isaac Newton was an English Scientist, mathematician, and ..... A) Sailor. B) Musician. C) Astronomer. D) Astronaut. Show Answer Correct Answer: C) Astronomer. 55. Weak nuclear force A) The total of all forces acting on an object. B) It determines the ways in which electrically charged particles interact with each other and with magnetic fields. C) The force in an atomic nucleus responsible for radioactivity, and prompts the nuclear fusion reaction that fuels the sun. D) It holds the protons and neutrons in the nucleus of the atom and overcomes the repulsion between the protons. Show Answer Correct Answer: C) The force in an atomic nucleus responsible for radioactivity, and prompts the nuclear fusion reaction that fuels the sun. 56. What law is the most important one? A) Newtons 1st Law. B) Newtons 3rd Law. C) Newtons 2nd Law. D) All of the above. Show Answer Correct Answer: D) All of the above. 57. If all forces acting on a particular object are balanced so the net forces is zero the object ..... accelerate A) Will. B) Will not. C) All the above. D) None of the above. Show Answer Correct Answer: B) Will not. 58. Newton's second law is applied as the formula ..... A) Huh?. B) Speed = distance / time. C) A + b = c. D) Force = Mass X Acceleration. Show Answer Correct Answer: D) Force = Mass X Acceleration. 59. Which Law of Motion is this? "A swimmer pushes water back with his arms, but his body moves forward" . A) 1st. B) 2nd. C) 3rd. D) None of the above. Show Answer Correct Answer: C) 3rd. 60. Which is the best example of Newton's First Law of Motion? A) A basketball thrown in the air falls to the ground. B) A soccer ball remains motionless until it is kicked by a player. C) A baseball player swings at an approaching ball. D) An ice skater pushes back from a wall and moves backwards. Show Answer Correct Answer: B) A soccer ball remains motionless until it is kicked by a player. ← 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