This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Any motion in which an object is moving along a curved path A) Circular motion. B) Centripetal force. C) Force pair. D) Momentum. Show Answer Correct Answer: A) Circular motion. 2. When was Sir Isaac Newton born? A) July 4, 1776. B) December 25, 1642. C) March 20, 1727. D) September 11, 2001. Show Answer Correct Answer: B) December 25, 1642. 3. Object at rest stays at rest. A) 1st. B) 2nd. C) 3rd. D) None of the above. Show Answer Correct Answer: A) 1st. 4. If the action force is of 5 N, then the reaction force will be ..... A) 5 N in the same direction. B) 5 N in the opposite direction. C) 10 N in the same direction. D) 10 N in the opposite direction. Show Answer Correct Answer: B) 5 N in the opposite direction. 5. In Newton's Second Law equation, what does the m stand for? A) Mass. B) Minutes. C) Measurement. D) Mountain. Show Answer Correct Answer: A) Mass. 6. A car goes around a curve at a constant speed. There is not a net force acting on it. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. Two objects of different masses falling freely, near the surface of earth, will A) Fall with a costant velocity. B) Fall with a constant acceleration. C) Experience force of same magnitude. D) Undergo a change in their inertia. Show Answer Correct Answer: B) Fall with a constant acceleration. 8. According to Newton's second law of motion, force is equal to mass times ..... A) Inertia. B) Weight. C) Acceleration. D) Direction. Show Answer Correct Answer: C) Acceleration. 9. Acceleration of an object is directly related to the net force and inversely related to its mass. 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. 10. How does Newton's third law explain how a rocket takes off? A) The rocket's acceleration is positive, while the gasses acceleration is negative but the direction is the same. B) The rocket is at rest until ignition. C) The hot gasses move in one direction, while the rocket moves in the opposite direction but with equal force. D) None of the above. Show Answer Correct Answer: C) The hot gasses move in one direction, while the rocket moves in the opposite direction but with equal force. 11. Tisa and Lily ran a race in gym class. Lily was off balance so she did not start until 2 seconds had passed. What were the average speeds of the two runners during the periods in which they were actually running? (Note:Lily did not start running until time = 2 s.) A) Tisa:6.0 m/s; Lily:6.0 m/s. B) Tisa:6.0 m/s; Lily:7.5 m/s. C) Tisa:7.5 m/s; Lily:6.0 m/s. D) Tisa:7.5 m/s; Lily:7.5 m/s. Show Answer Correct Answer: B) Tisa:6.0 m/s; Lily:7.5 m/s. 12. The motion of a vehicle being driven through heavy traffic is an example of A) Uniform motion. B) Non uniform motion. C) All the above. D) None of the above. Show Answer Correct Answer: B) Non uniform motion. 13. To increase acceleration of an object, you reduce it's ..... or increase the applied force. A) Mass. B) Velocity. C) All the above. D) None of the above. Show Answer Correct Answer: A) Mass. 14. In order to be ..... forces, their effects must cancel each other out and not cause a change in an object's motion. A) Balanced. B) Strong. C) Weak. D) Normal. Show Answer Correct Answer: A) Balanced. 15. Which law of motion is also known as the Law of Action-Reaction? A) First Law. B) Second Law. C) Third Law. D) None of the above. Show Answer Correct Answer: C) Third Law. 16. Without a force to stop or slow a coasting object, the object will coast forever in a ..... line. A) Blue. B) Red. C) Straight. D) Vertical. Show Answer Correct Answer: C) Straight. 17. Who invented the 3 Laws of Motion? A) Sir Francis Bacon. B) Sir Isaac Newton. C) Johannes Kepler. D) Galileo Galilei. Show Answer Correct Answer: B) Sir Isaac Newton. 18. As the fuel in a rocket ignites, the force of the gas expansion and explosion pushes out the back of the rocket and pushes the rocket forward. A) Newton's 1st Law. B) Newton's 2nd Law. C) Newton's 3rd Law. D) None of the above. Show Answer Correct Answer: C) Newton's 3rd Law. 19. The product of an object's mass and velocity is called A) Acceleration. B) Momentum. C) All the above. D) None of the above. Show Answer Correct Answer: B) Momentum. 20. Centrifugal force acts A) In both inertial and non-inertial frame. B) Only in inertial frame. C) Only in non inertial frame. D) None of these. Show Answer Correct Answer: C) Only in non inertial frame. 21. A passenger train is brought to rest by suddenly applying brakes.Which compartment will come to rest first? A) Compartment attached to the engine. B) Compartment at the tail end. C) The middle compartment. D) All compartments will comes to rest simultaneously. Show Answer Correct Answer: A) Compartment attached to the engine. 22. When you jump on your bed, the action is your jump. What is the reaction? (Newton's 3rd law) A) The bed pushing you back up. B) You pushing down on the bed. C) Nothing because there is no movement. D) None of the above. Show Answer Correct Answer: A) The bed pushing you back up. 23. Forces that are equal in size but opposite in direction are ..... A) Balanced forces. B) Inertial forces. C) Frictional forces. D) Net forces. Show Answer Correct Answer: A) Balanced forces. 24. All of the following apply the third law of motion EXCEPT ..... A) Kicking a ball. B) Rowing a banca. C) Throwing a stone. D) Taking out a ketchup from a bottle. Show Answer Correct Answer: A) Kicking a ball. 25. Newton's first law of motion applies only to stationary objects. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. ← PreviousNext →Related QuizzesClass 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 1Class 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 10Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books