This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is an example Newton's 2nd Law? A) A rocket taking off from Earth. B) A crash test dummy flies through the windshield in a collision. C) A small rock skips a pond faster than a large rock. D) None of the above. Show Answer Correct Answer: C) A small rock skips a pond faster than a large rock. 2. What law associates with action and reaction? A) Newtons 3rd Law Of Motion. B) Inertia. C) Newtons Law Of Friction. D) Law Of Force. Show Answer Correct Answer: A) Newtons 3rd Law Of Motion. 3. The rule that in the absence of outside forces the total momentum of objects that interact does not change is called A) The law of conserving momentum. B) The law of the conservation of momentum. C) All the above. D) None of the above. Show Answer Correct Answer: B) The law of the conservation of momentum. 4. ..... is a change in velocity A) Inertia. B) Speed. C) Gravity. D) Acceleration. Show Answer Correct Answer: D) Acceleration. 5. When two birds are pulling on a worm and the worm moves toward the first bird, you know that the forces are ..... A) Long-range. B) Unbalanced. C) Action-reaction. D) Balanced. Show Answer Correct Answer: B) Unbalanced. 6. A force of 10N acts on a body of mass 20kg for 10s. Change in its momentum is A) 5kgms$^{-1}$. B) 100kgms$^{-1}$. C) 200kgms$^{-1}$. D) 1000kgms$^{-1}$. Show Answer Correct Answer: B) 100kgms$^{-1}$. 7. Which one is not a scalar quantity A) Mass. B) Length. C) Volume. D) Momentum. Show Answer Correct Answer: D) Momentum. 8. A wheelbarrow is experiencing two forces. One is pushing 5N east and another 5N west. What is true about the motion of the wheelbarrow? A) It isn't accelerating. B) It is accelerating. C) It is slowing down. D) Its speed is constant. Show Answer Correct Answer: A) It isn't accelerating. 9. A body of mass 40g is moving with a velocity v$_{1}$. If an impulse J is imparted to the body such that its velocity becomes v$_{2}$, then: A) J= 20 v$_{1 }$+ 20 v$_{2}$. B) J = 40 (v$_{2 }$-v$_{1}$)$_{ }$. C) J = 40 (v$_{2 +}$ v$_{1}$)$_{ }$. D) J = 20 (v$_{2 }$-v$_{1}$)$_{ }$. Show Answer Correct Answer: B) J = 40 (v$_{2 }$-v$_{1}$)$_{ }$. 10. Which one of the following is incorrect about force? A) Force may move a body at rest. B) Force may stop a moving body. C) Force can change the direction. D) Force can't change the shape and size of the body. Show Answer Correct Answer: D) Force can't change the shape and size of the body. 11. Which law states that for every action, there is an equal and opposite reaction. 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: C) Newton's 3rd Law of Motion. 12. Is a push or pull upon an object resulting from the object's interaction with another object. A) Gravity. B) Pull. C) Push. D) Force. Show Answer Correct Answer: D) Force. 13. What might happen if you were in a braking car, and you weren't wearing your seat belt? A) You'd fly backward through the rear window. B) You'd be pressed backward into your seat. C) You'd fly forward through the windshield. D) You'd move sideways through the passenger door. Show Answer Correct Answer: C) You'd fly forward through the windshield. 14. A change in an object's position, direction or location A) Position. B) Force. C) Motion. D) Inertia. Show Answer Correct Answer: C) Motion. 15. When a car moves in a circular road, which force provides the centripetal force A) Gravitational force. B) Frictional force. C) Normal reaction. D) Wind force. Show Answer Correct Answer: B) Frictional force. 16. A swimmer pushing off from the wall of a pool exerts a force of 1 N on the wall. What is the reaction force of the wall on the swimmer? A) 0 N. B) 1 N. C) 2 N. D) 10 N. Show Answer Correct Answer: B) 1 N. 17. Forces always occur in equal and opposite pairs A) Newton's 1st Law of Motion. B) Newton. C) Newton's 2nd Law of Motion. D) Newton's 3rd Law of Motion. Show Answer Correct Answer: D) Newton's 3rd Law of Motion. 18. Newton's third law of motion describes how forces act in pairs. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Cancel each other out and cannot change the motion of an object A) Balanced force. B) Unbalanced force. C) All the above. D) None of the above. Show Answer Correct Answer: A) Balanced force. 20. The second law of motion is ..... 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: 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. 21. You push on a car and it does not move. What is true about the inertia? A) The inertia is changing. B) The inertia of the person is equal to the car. C) The inertia of the car is too great. D) There is not inertia because of no movement. Show Answer Correct Answer: C) The inertia of the car is too great. 22. Which of Newton's Three Laws does the following statement satisfy? Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it. A) Newton's First Law. B) Newton's Third Law. C) Newton's Second Law. D) Frictional Force. Show Answer Correct Answer: A) Newton's First Law. 23. Among the following quantities which will cause less loss in kinetic energy? A) Static friction. B) Kinetic friction. C) Rolling friction. D) None of the option. Show Answer Correct Answer: C) Rolling friction. 24. The mass of a body is measured on planet Earth as M kg. When it is taken to a planet of radius half that of the Earth then its value will be ..... kg. A) 4 M. B) 2 M. C) M/4. D) M. Show Answer Correct Answer: C) M/4. 25. CONCEPT RECALL:It is a type of force that causes a change in motion and has a net force not equal to zero. A) Contact force. B) Balanced force. C) Unbalanced force. D) Non-contact force. Show Answer Correct Answer: C) Unbalanced force. ← 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 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