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 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 18 (17 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following explains the difference between speed and velocity? A) One has motion, and the other does not. B) One has direction, and the other does not. C) One involves time, and the other does not. D) One involves acceleration, and the other does not. Show Answer Correct Answer: B) One has direction, and the other does not. 2. Which one of the following is an example of application of newton's 2nd law A) High Jump. B) Swimming. C) Walking. D) None. Show Answer Correct Answer: A) High Jump. 3. A little girl who has been pulling a sled behind her in the snow is crying because when she stopped to tie her hat on, the sled kept moving and hit her in the back of her legs. A) 1st law. B) 2nd law. C) 3rd law. D) None of the above. Show Answer Correct Answer: A) 1st law. 4. A body of mass 2kg moves with an acceleration 3m/s2. The change in momentum in one second A) 2/3kgm/s. B) 3/2kgm/s. C) 6kgm/s. D) None of these. Show Answer Correct Answer: C) 6kgm/s. 5. In Newton's Second Law equation, what does the F stand for? A) Force. B) Friends. C) Friction. D) French fries. Show Answer Correct Answer: A) Force. 6. What explains why objects resist changes in their state of motion? A) Gravity. B) Force. C) Friction. D) Inertia. Show Answer Correct Answer: D) Inertia. 7. What is Newton's 2nd Law? A) For every action there is an equal and opposite reaction. B) Acceleration depends on two variables, the mass of the object and the amount of force. C) All the above. D) None of the above. Show Answer Correct Answer: B) Acceleration depends on two variables, the mass of the object and the amount of force. 8. Rubbing your hands together releases ..... energy. A) Thermal. B) Kinetic. C) Potential. D) None of the above. Show Answer Correct Answer: A) Thermal. 9. According to Newton's first law of motion ..... A) An object in motion will always move sideways when acted upon by an outside force. B) An object in motion will stay in motion unless acted upon by an outside force. C) An object in motion will slow down when moving down a hill. D) An object in motion will stay in motion when it is acted upon by an outside force. Show Answer Correct Answer: B) An object in motion will stay in motion unless acted upon by an outside force. 10. If you lean against a wall, the wall pushes back on you with a(n) weaker force. (Think about what Newton's 3rd law said) A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 11. Newton's second law of motion states that an unbalanced force is equal to mass times: A) Inertia. B) Motion. C) Acceleration. D) Force. Show Answer Correct Answer: C) Acceleration. 12. A motorcycle and a bus are moving with same momentum. Which has greater KE A) Bus. B) Both have same KE. C) Motorcycle. D) None of the above. Show Answer Correct Answer: C) Motorcycle. 13. Passengers lean forward when the sudden brake is applied in a moving vehicle. This can be explained by A) Inertia of rest. B) Inertia of motion. C) Inertia of direction. D) None. Show Answer Correct Answer: B) Inertia of motion. 14. A chair exerts a force of 20 N on a floor. What is the force that the floor exerts on the chair? A) 20 N. B) 40 N. C) 21 N. D) 10 N. Show Answer Correct Answer: A) 20 N. 15. As the force of the fuel explosion exists out of the back of the sled, the sled goes forward. A) Newton's 1st Law/Law of Inertia. B) Newton's 2nd Law. C) Newton's 3rd Law. D) Newton"s 4th Law. Show Answer Correct Answer: C) Newton's 3rd Law. 16. A car speeding up, a dog slowing down and person turning around the block are examples of ..... A) Balanced Forces. B) Unbalanced Forces. C) All the above. D) None of the above. Show Answer Correct Answer: B) Unbalanced Forces. 17. Newton's third Law of Motion states which of the following?(Remember the balloon.) A) A bigger object has more force then a smaller object. B) An object at rest/in motion stays at rest/in motion unless acted upon by another force. C) For every action, there is an equal and opposite reaction. D) None of the above. Show Answer Correct Answer: C) For every action, there is an equal and opposite reaction. ← PreviousRelated 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