This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 28 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Equal forces that do not cause a change in an objects motion A) Unbalance force. B) Push or a pull. C) Balanced force. D) Average speed. Show Answer Correct Answer: C) Balanced force. 2. True or false. If you change ONLY the direction of an object, you have then changed its velocity. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 3. For every ..... there is an equal and opposite ..... A) Reaction, action. B) Action, action. C) Reaction, reaction. D) Action, reaction. Show Answer Correct Answer: D) Action, reaction. 4. What happens when you push on a wall? A) Nothing. B) The wall pushes back with less force. C) The wall pushes back with an equal force. D) The wall pushes back with more force. Show Answer Correct Answer: C) The wall pushes back with an equal force. 5. The greater the mass of an object, the greater the amount of ..... is needed to make it accelerate. A) Force. B) Matter. C) Acceleration. D) Velocity. Show Answer Correct Answer: A) Force. 6. "In every action there is an opposite reaction" . A) Law of Inertia. B) Law of Acceleration. C) Law of Interaction. D) Law of Force. Show Answer Correct Answer: C) Law of Interaction. 7. Which of the following explains why a passenger in a speeding bus is thrown forward when the bus suddenly stops? A) Acceleration. B) Gravitation. C) Inertia. D) Interaction. Show Answer Correct Answer: C) Inertia. 8. An object needs force to be applied to it in order to be in motion A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. According to Newton's first law, an object in motion will stay in motion unless: A) A balanced force acts on it. B) An unbalanced force acts on it. C) It stops. D) It remains at rest. Show Answer Correct Answer: B) An unbalanced force acts on it. 10. How long will an object remain at rest, according to Newton's First Law of Motion? A) It can't rest. B) Until noon. C) Until an unbalanced force occurs. D) As long as there are unbalanced forces acting on it. Show Answer Correct Answer: C) Until an unbalanced force occurs. 11. Kg is the ..... A) Force. B) Mass. C) Acceleration. D) Weight. Show Answer Correct Answer: B) Mass. 12. The force that causes a moving object to slow down when it touches another object. A) Net Force. B) Friction. C) Speed. D) Math. Show Answer Correct Answer: B) Friction. 13. Which law states the need to wear seatbelts? A) Newton's First Law. B) Newton's Second Law. C) Newton's Third Law. D) All of the above. Show Answer Correct Answer: A) Newton's First Law. 14. Newton's 2nd law of motion describes how an object A) Accelerates. B) Mass. C) Sun. D) None of the above. Show Answer Correct Answer: A) Accelerates. 15. Newton's ..... law of motion is also know as the law of inertia. A) First. B) Second. C) Third. D) None of the above. Show Answer Correct Answer: A) First. 16. Banking of roads is done:- A) To avoid skidding of vehicles on a circular road. B) To reduce wear and tear of tyres. C) To avoid accidents on a turning. D) All the above. Show Answer Correct Answer: D) All the above. 17. Assertion:A rocket moves forward by pushing the surrounding air backwards.Reason:It derives the necessary thrust to move forward according to Newtons third law of motion. A) If both assertion and reason are true and reason is the correct explanation of assertion. B) If both assertion and reason are true but reason is not the correct explanation of assertion. C) If assertion is true but reason is false. D) If both assertion and reason are false. Show Answer Correct Answer: A) If both assertion and reason are true and reason is the correct explanation of assertion. 18. Which of the following best describes Newton's First Law of Motion? A) An object will remain at rest or in uniform motion unless acted upon by an external force. B) The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. C) For every action, there is an equal and opposite reaction. D) The force of gravity acts between all masses. Show Answer Correct Answer: A) An object will remain at rest or in uniform motion unless acted upon by an external force. 19. Resistance or force of equal magnitude acting in the opposite direction to an action force. A) Reaction. B) Action. C) All the above. D) None of the above. Show Answer Correct Answer: A) Reaction. 20. 11) Your mass is 40kg on Earth. On moon it will be ..... A) > 40kg. B) <40kg. C) = 40kg. D) Massless. Show Answer Correct Answer: C) = 40kg. 21. Is equal to the distance the object travels divided by the time it takes to travel that distance. A) Speed. B) Velocity. C) All the above. D) None of the above. Show Answer Correct Answer: A) Speed. 22. A change in velocity is called ..... A) Direction. B) Acceleration. C) Deceleration. D) Force. Show Answer Correct Answer: B) Acceleration. 23. A frog pushes his legs down on a lily pad but yet the direction he travels is upwards. Which Law explains this? A) Newton's first law. B) Newton's second law. C) Newton's third law. D) None of the above. Show Answer Correct Answer: C) Newton's third law. 24. The rate at which an object changes position in a specific direction. A) Velocity. B) Acceleration. C) Applied force. D) Darth Vader. Show Answer Correct Answer: A) Velocity. 25. The ratio of force and acceleration measures: A) Velocity. B) Impulse. C) Momentum. D) None of the above. Show Answer Correct Answer: D) None of the above. ← 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