This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 20 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the net force on an object? A) The sum of all the forces on an object. B) The negative forces on an object. C) The positive forces on an object. D) The balanced forces on an object. Show Answer Correct Answer: A) The sum of all the forces on an object. 2. Which activity would BEST demonstrate the Law of Force and Acceleration? A) A lady pushes a grocery cart. B) A boy swings a baseball bat. C) A soccer ball sits on the ground. D) A rocket launches into space. Show Answer Correct Answer: A) A lady pushes a grocery cart. 3. A rocket is coming too quickly to the space ship. The astronaut turns on smaller rockets in front of the ship to slow it down. Which of Newton's Laws is at action? A) Newton's 1st Law. B) Newton's 2nd Law. C) Newton's 3rd Law. D) None of the laws are at play. Show Answer Correct Answer: C) Newton's 3rd Law. 4. Tendency of an object to resist a change in its motion A) Inertia. B) Static. C) Weight. D) Friction. Show Answer Correct Answer: A) Inertia. 5. As the force increases, the acceleration ..... A) Decreases. B) Also increases. C) Does not change. D) Is zero. Show Answer Correct Answer: B) Also increases. 6. As the wheels of a train push down on the track, the track pushes back against the wheels. Which of Newton's laws is used to explain these forces. A) An object at rest tends to stay at rest unless acted upon by an unbalanced force. B) The net force of an object is its mass times its acceleration. C) For every action, there is an equal and opposite reaction. D) Any 2 objects exert a gravitational force of attraction on each other. Show Answer Correct Answer: C) For every action, there is an equal and opposite reaction. 7. A butterfly crashes into a high-speed bus. The force experienced by the butterfly is ..... the force experienced by the bus. A) Less than. B) Equal to. C) Greater than. D) Zero. Show Answer Correct Answer: C) Greater than. 8. What happens according to Newton if you let an untied balloon go? A) It will stay filled with air. B) Air rushes out and moves balloon opposite direction. C) Air explodes and falls to ground. D) None of the above. Show Answer Correct Answer: B) Air rushes out and moves balloon opposite direction. 9. ..... is how fast an object is going. A) Speed. B) Acceleration. C) Force. D) Distance. Show Answer Correct Answer: A) Speed. 10. Plotting a graph for momentum on theX-axis and time on Y-axis. slope of momentum-time graph gives A) Impulsive force. B) Acceleration. C) Force. D) Rate of force. Show Answer Correct Answer: C) Force. 11. Mass and acceleration have A) A direct relationship. B) An inverse relationship. C) All the above. D) None of the above. Show Answer Correct Answer: B) An inverse relationship. 12. If an unbalanced force acts on an object, what will happen? A) It will not move at all. B) It will accelerate in the same direction as the force. C) It will accelerate in the direction opposite the force. D) It will accelerate at an angle of 90 degrees to the force. Show Answer Correct Answer: B) It will accelerate in the same direction as the force. 13. What is the solution for acceleration? A) F=m x a. B) A=f x m. C) M=f x a. D) A=m x f. Show Answer Correct Answer: B) A=f x m. 14. Newtons 3rd Law of Motion states: A) An object at rest will remain at rest unless acted upon by an outside force. B) For every action, there is an equal and opposite reaction. C) The greater the mass of an object, the more force it will take to accelerate the object. D) None of the above. Show Answer Correct Answer: B) For every action, there is an equal and opposite reaction. 15. During collision ..... remains constant A) Mass. B) Speed. C) Total momentum. D) Velocity. Show Answer Correct Answer: C) Total momentum. 16. Which law of motion is also known as the Law of Inertia? A) First Law. B) Second Law. C) Third Law. D) None of the above. Show Answer Correct Answer: A) First Law. 17. Force and acceleration have A) A direct relationship. B) An inverse relationship. C) All the above. D) None of the above. Show Answer Correct Answer: A) A direct relationship. 18. Which is the unit of force? A) G/m$^{2}$. B) Kg m/s$^{2}$. C) Kg m/s. D) Kg/m. Show Answer Correct Answer: B) Kg m/s$^{2}$. 19. A man is throwing a bowling ball and a basketball. Both, the bowling ball and basketball, have the same mass. Which ball will require more force to move? A) Basketball. B) Bowling Ball. C) Neither. D) Both will require the same force. Show Answer Correct Answer: B) Bowling Ball. 20. When the force on a car is doubled, the acceleration is doubled. A) Newton's 1st Law of Motion. B) Newton's 2nd Law of Motion. C) Newton's 3rd Law of Motion. D) None of the above. Show Answer Correct Answer: B) Newton's 2nd Law of Motion. 21. Newton's first law states that an object must travel at a constant speed and in ..... , unless an unbalanced force acts on it. A) In a circle. B) A wave like manner. C) The same direction. D) None of the above. Show Answer Correct Answer: C) The same direction. 22. An object's acceleration is zero when the net force acting on an object is ..... A) Greater than zero. B) Unbalanced. C) Heavy. D) Balanced. Show Answer Correct Answer: D) Balanced. 23. When an object is moving with uniform circular motion, the centripetal acceleration of the object A) Is zero. B) Is circular. C) Is directed toward the center of motion. D) None of these. Show Answer Correct Answer: C) Is directed toward the center of motion. 24. The formula for linear momentum is A) P = mv. B) P = ms. C) P = ma. D) M = pv. Show Answer Correct Answer: A) P = mv. 25. Which law of motion can explain why you are pushed backward when a car accelerates quickly? A) Newton's first law. B) Newton's second last. C) Newton's third law. D) Las of gravitation. Show Answer Correct Answer: C) Newton's third 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