This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is Newton's 2nd Law of Motion? A) Friction. B) The acceleration of an object is directly proportional to force & the acceleration of an object is inversely proportional to mass. C) Gravity. D) An object at rest stays at rest & an object in motion stays in motion. Show Answer Correct Answer: B) The acceleration of an object is directly proportional to force & the acceleration of an object is inversely proportional to mass. 2. If outside forces such as friction are negligible, when twoobjects of the same mass collide and do not stick together, the objects multiply velocities. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 3. Which of the following correctly defines acceleration? A) How fast an object is going. B) The rate an object is going. C) The rate an object changes speed/direction. D) The direction an object is going. Show Answer Correct Answer: C) The rate an object changes speed/direction. 4. When the forces acting on an object do not cancel; the net force is not zero A) Potential energy. B) Kinetic energy. C) Balanced forces. D) Unbalanced forces. Show Answer Correct Answer: D) Unbalanced forces. 5. Which of these is an example of inertia? A) A person flying through the windshield during a car wreck because they weren't wearing their seat belt. B) Earth constantly traveling at the same speed in it's orbit. C) A person staying in the vehicle and hitting the air bag during a car wreck because they are wearing a seat belt. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. A cat sitting on couch, a pencil on desk and a car at rest are all examples of ..... A) Balanced Force. B) Unbalanced Force. C) All the above. D) None of the above. Show Answer Correct Answer: A) Balanced Force. 7. Two forces act in opposite directions on a wood block. What will happen if the forces are unbalanced? A) The block will balance the forces. B) The forces will reverse direction. C) The mass of the block will change. D) The position of the block will change. Show Answer Correct Answer: D) The position of the block will change. 8. What is Newton's Second Law of Motion? A) F = m x a. B) Action/Reaction. C) Object in motion will stay in motion, object at rest will stay at rest. D) Velocity. Show Answer Correct Answer: A) F = m x a. 9. Why is it harder to push a van filled with bowling balls than it is to push a van with basketballs? A) The mass of the car is greater than the mass of the basketballs. B) The mass of the bowling balls is greater than the mass of the basketballs. C) The van with the basketballs is bigger than the van with the bowling balls. D) It should be equally as hard to push the two vans. Show Answer Correct Answer: B) The mass of the bowling balls is greater than the mass of the basketballs. 10. Identify the law:It is easier to push an empty cart in a supermarket than it is to push a loaded one. 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. 11. If a force of 26 N is exerted on two balls A and B. Ball A mass of 0.52 kg and the ball B has mass of 0.78 kg, which ball will have the greater acceleration? A) Ball A. B) Ball B. C) All the above. D) None of the above. Show Answer Correct Answer: A) Ball A. 12. What is the name of the units that we measure force in? A) Einsteins. B) Newtons. C) Kg. D) Metres. Show Answer Correct Answer: B) Newtons. 13. An object in motion stays in motion and an object at rest stays at rest UNLESS A) Acted on by a balanced force. B) Acted on by an unbalanced force. C) All the above. D) None of the above. Show Answer Correct Answer: B) Acted on by an unbalanced force. 14. Which law of motion explains how objects move and interact with each other? A) First. B) Second. C) Third. D) None of the above. Show Answer Correct Answer: C) Third. 15. EQUATION OF LINEAR MOMENTUM P= A) Mv. B) Ms$^{-1}$. C) Dispalcement /time. D) Mgh. Show Answer Correct Answer: A) Mv. 16. If you kick a ball that is sitting on the ground, what kind of force have you used? A) Balanced. B) Unbalanced. C) Large. D) Small. Show Answer Correct Answer: B) Unbalanced. 17. What slows an object down and is the counter to keeping an object in motion? A) Velocity. B) Inertia. C) Friction. D) Mass. Show Answer Correct Answer: C) Friction. 18. When an object undergoes acceleration A) Its speed always increases. B) Its velocity always increases. C) It always falls towards the earth. D) A force always acts on it. Show Answer Correct Answer: D) A force always acts on it. 19. DISCRIMINATION:Action-at-a-distance forces or field forces A) Gravity. B) Air resistance. C) Magnetic force. D) Electrical force. Show Answer Correct Answer: B) Air resistance. 20. A person leans on a wall and the wall pushes back. This is an example of ..... 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. 21. Unbalanced force is ..... A) Change in motion. B) 2nd law of motion. C) Moving in a constant speed. D) None of the above. Show Answer Correct Answer: A) Change in motion. 22. In the equation f=ma, what does the "m" stand for A) Acceleration. B) Matter. C) Mass. D) Force. Show Answer Correct Answer: C) Mass. 23. An object at rest will remain at rest until an outside force makes it to move. A) Law of Inertia. B) Law of Acceleration. C) Law of Interaction. D) None of the above. Show Answer Correct Answer: A) Law of Inertia. 24. A rocket in outer space continues to move. 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: A) Newton's 1st Law of Motion. 25. The amount of force needed to give a 1 kg object an acceleration of 1 m/s$^{2}$ is one ..... A) Dyne. B) Erg. C) Joule. D) Newton. Show Answer Correct Answer: D) Newton. ← 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 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