This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 35 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 35 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which law of motion explains the relationship between force, mass, and acceleration? A) Newton's First law. B) Newton's second law. C) Newton's third law. D) Newton's law of gravitation. Show Answer Correct Answer: B) Newton's second law. 2. Sally ran a distance of 8 m in 16 s. The graph below shows her motion. A) Her speed was constantly changing. B) Her speed remained constant. C) She stopped moving after four seconds. D) She decreased her speed after four seconds. Show Answer Correct Answer: B) Her speed remained constant. 3. If a ball of cheese is fired into frictionless space, the amount of force needed to keep it going equals A) Twice the force with which it was fired. B) The same amount of force with which it was fired. C) 1/2 the force with which it was fired. D) Zero, since no force is requires to keep it moving. Show Answer Correct Answer: D) Zero, since no force is requires to keep it moving. 4. Acceleration due to gravity ..... A) G=GM/R. B) G=GM/R$^{3}$. C) G=GMm/r$^{2}$. D) G=GM/R$^{2}$. Show Answer Correct Answer: D) G=GM/R$^{2}$. 5. .... is the maximum value of static friction A) Kinetic friction. B) Rolling friction. C) Sliding friction. D) Limiting friction. Show Answer Correct Answer: D) Limiting friction. 6. What is the unit that force is measured in? A) Newtons. B) Meters per second squared. C) All the above. D) None of the above. Show Answer Correct Answer: A) Newtons. 7. A person is standing in an elevator. In which situation he finds his weight less than actual weight A) The elevator moves upward with constant acceleration. B) The elevator moves downward with constant acceleration. C) The elevator moves upward with uniform velocity. D) The elevator moves downward with uniform velocity. Show Answer Correct Answer: B) The elevator moves downward with constant acceleration. 8. When a person jumps off a boat onto the shore, the boat tends to move in the opposite direction due to: A) First law of motion. B) Second law of motion. C) Third law of motion. D) Gravitation law. Show Answer Correct Answer: C) Third law of motion. 9. A force in circular motion that acts perpendicular to the direction of motion toward the center of the circle A) Centripetal force. B) Net force. C) Contact force. D) Net force. Show Answer Correct Answer: A) Centripetal force. 10. An object in motion will stay in motion unless an ..... force acts upon it A) Statical. B) Frictional. C) Unbalanced. D) Balanced. Show Answer Correct Answer: C) Unbalanced. 11. An object has a mass of 30 kg and an acceleration of 2 m/s$^{2}$. What must be the net force on the object?Use this equation:$F=m\times a$ A) 60 N. B) 45 N. C) 15 N. D) 0.067 N. Show Answer Correct Answer: A) 60 N. 12. Which statement best describes what must happen in order for a person to lift an object? A) The force of gravity must be greater than the mass of the object. B) The mass of the object must be greater than the force of gravity. C) The force of gravity must be greater the upward pull or push on the object. D) The upward pull or push on the object must be greater than the force of gravity. Show Answer Correct Answer: D) The upward pull or push on the object must be greater than the force of gravity. 13. You are sitting in a car that isn't moving; the car accelerates. Your body is pushed back. Explain. A) Newtons. B) Vector. C) Inertia. D) Gravity. Show Answer Correct Answer: C) Inertia. 14. Which activity would BEST demonstrate Newton's law of Inertia? A) A plate sits on a table top. B) A lady pushes a grocery cart. C) A child jumps on a trampoline. D) A boy swings a baseball bat. Show Answer Correct Answer: A) A plate sits on a table top. 15. Your shopping cart has a mass of 65 kilograms. In order to accelerate the shopping cart down an aisle at 0.3 m/sec$^{2 }$, which Newton's laws of motion will help you calculate the force you would need to apply to the cart? 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. 16. Inertia is used when explaining Newton's A) First law of motion. B) Second law of motion. C) Third law of motion. D) None of the above. Show Answer Correct Answer: A) First law of motion. 17. How much force is required to accelerate a 40 kg car at $5\\frac{m}{s^2}$ A) 35 N. B) 45 N. C) 8 N. D) 200 N. Show Answer Correct Answer: D) 200 N. 18. If the Earth shrinks to 50% of its real radiusits mass remaining the same, the weight of abody on the Earth will A) Decrease by 50%. B) Increase by 50%. C) Decrease by 25%. D) Increase by 300%. Show Answer Correct Answer: D) Increase by 300%. 19. It is easier to roll a body than to slide it because:- A) Kinetic friction > static friction. B) Sliding friction < rolling friction. C) Rolling friction < sliding friction. D) Kinetic friction < rolling friction. Show Answer Correct Answer: C) Rolling friction < sliding friction. 20. Which statement below is false? A) Weight depends on the force of gravity. B) Mass is the amount of matter in an object. C) Mass is a constant no matter where you are located. D) Weight is a constant no matter where you are located. Show Answer Correct Answer: D) Weight is a constant no matter where you are located. 21. Is speed in a certain direction. A) Speed. B) Velocity. C) All the above. D) None of the above. Show Answer Correct Answer: B) Velocity. 22. Which of the following statements is true regarding inertia? A) It is a force that opposes motion. B) It is the property of an object to resist changes in its state of motion. C) It is measure of the gravitational force acting on an object. D) It is rate of change of velocity. Show Answer Correct Answer: B) It is the property of an object to resist changes in its state of motion. 23. Who discovered gravity? A) John Adams. B) Abraham Lincoln. C) Isaac Newton. D) Benjamin Franklin. Show Answer Correct Answer: C) Isaac Newton. 24. Newton's 2nd Law is the Law of ..... A) Gravity. B) Acceleration. C) Thermodynamics. D) Chemistry. Show Answer Correct Answer: B) Acceleration. 25. Identify the law:Helicopters create lift by pushing air down, thereby experiencing an upward reaction force. 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. ← 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