This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 39 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 39 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Force is measured in A) Newtons (N). B) Grams (g). C) Meters per second (m/s). D) Meter per second squared (m/s2). Show Answer Correct Answer: A) Newtons (N). 2. What is the force that slows down or eventually stops an objects motion? A) Gravity. B) Push. C) Motion. D) Friction. Show Answer Correct Answer: D) Friction. 3. Which of Newton's Laws of Motion states that force equals mass times acceleration? 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. 4. A monkey of weight mg sits in a rocket moving up with an acceleration of 5g. The apparent weight of the monkey is x mg where x is A) 5. B) 4. C) 3. D) 6. Show Answer Correct Answer: D) 6. 5. ..... describes how fast an object is moving. A) Direction. B) Size. C) Speed. D) None of the above. Show Answer Correct Answer: C) Speed. 6. Ted is playing with a yoyo outside. When he pushes the yoyo downward it returns back to him with the same force. Which law is this an example of? A) 1st Law. B) 2nd Law. C) 3rd Law. D) None of the above. Show Answer Correct Answer: C) 3rd Law. 7. When we talk of a force acting on a body, it usually means: A) Electrical force. B) Balanced force. C) Unbalanced force. D) Nuclear force. Show Answer Correct Answer: C) Unbalanced force. 8. Objects exert the ..... amount of force in action-reaction pairs. A) Different. B) Opposite. C) Indifferent. D) Same. Show Answer Correct Answer: D) Same. 9. An unbalanced force acting on an object causes it to ..... A) Move at a constant speed. B) Not change its velocity. C) Continue in a straight line. D) Accelerate. Show Answer Correct Answer: D) Accelerate. 10. According to Newton's third law of motion, the strength of a reaction force is (a) the strength of the action force. A) A. equal. B) Mass. C) Newton. D) Acceleration. E) Net. Show Answer Correct Answer: A) A. equal. 11. When a person jumps horizontally off the end of a boat, the person goes forward and the boat goes backward. This is an example of A) Inertia. B) Action and reaction. C) Newton's 1st law. D) Newton's 2nd law. Show Answer Correct Answer: B) Action and reaction. 12. A transfer in ..... can change an objects speed and direction. A) Molecules. B) Energy. C) Money. D) None of the above. Show Answer Correct Answer: B) Energy. 13. Pulling an arrow back farther, while using a bow and arrow, will increase the ..... energy. A) Potential. B) Kinetic. C) Thermal. D) None of the above. Show Answer Correct Answer: A) Potential. 14. The formula for this Law is force = mass * acceleration 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. 15. Two boys slide identical blocks at each other across a table. What happens when the blocks hit each other? A) One block will bounce back. B) Both blocks will bounce back. C) The blocks will break into pieces. D) The blocks immediately stop moving on impact. Show Answer Correct Answer: B) Both blocks will bounce back. 16. The planets orbit the Sun due to the Sun's ..... A) Movement. B) Position. C) Direction. D) Gravity. Show Answer Correct Answer: D) Gravity. 17. Newton's 1st law is often called the ..... A) Newton's 2nd law. B) Action-reaction law. C) Law of equality. D) Law of inertia. Show Answer Correct Answer: D) Law of inertia. 18. Newton's second law of motion relates an object acceleration to its A) Inertia. B) Velocity. C) Mass. D) Net force. Show Answer Correct Answer: C) Mass. 19. Which has more Inertia? (and more force to move) A) Truck. B) Ant. C) All the above. D) None of the above. Show Answer Correct Answer: A) Truck. 20. Force = Mass x Acceleration A) Law of Inertia. B) Law of Acceleration. C) Law of Interaction. D) Law of Force. Show Answer Correct Answer: B) Law of Acceleration. 21. Which law can be simply described with the equation:F = MxA A) 1st. B) 2nd. C) 3rd. D) None of the above. Show Answer Correct Answer: B) 2nd. 22. Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction. This describes Newton's ..... A) Newton's First Law. B) Newton's Second Law. C) Newton's Third Law. D) Law of Inertia. Show Answer Correct Answer: B) Newton's Second Law. 23. Formulated the three basic laws of motion (Newton's Laws of Motion) 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: A) Sir Issac Newton. 24. A student leaves a pencil on a desk and the pencil stays in the same spot until another student picks it up. A) Newton's 1st Law. B) Newton's 2nd Law. C) Newton's 3rd Law. D) None of them. Show Answer Correct Answer: A) Newton's 1st Law. 25. Which law of motion is also known as the Law of Acceleration? A) First Law. B) Second Law. C) Third Law. D) None of the above. Show Answer Correct Answer: B) Second 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