This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If a car of mass 1000 kg is accelerating at $2\\frac{m}{s^2}$ A) 500 N. B) 1000 N. C) 2000 N. D) 4000 N. Show Answer Correct Answer: C) 2000 N. 2. Newton's 2nd Law states the Force = Mass & Acceleration. Which would require more force to stop? A) Sprinter. B) Walker. C) Non moving object. D) None of the above. Show Answer Correct Answer: A) Sprinter. 3. What is the solution for force? A) F=m x a. B) A=f x m. C) M=f x a. D) A=m x f. Show Answer Correct Answer: A) F=m x a. 4. The 17th century scientist who studied force and motion was A) Isaac Newton. B) Pythagoras. C) Lord Celsius. D) None of the above. Show Answer Correct Answer: A) Isaac Newton. 5. Combination of all the forces acting on an object A) Net force. B) Weight. C) Gravity. D) Friction. Show Answer Correct Answer: A) Net force. 6. What is Fluid Friction?? A) Occurs between fluid layers that are moving relative to each other.(In Air and Water). B) The resistance created by any two objects when sliding against each other. C) A force that keeps an object at rest. D) None of the above. Show Answer Correct Answer: A) Occurs between fluid layers that are moving relative to each other.(In Air and Water). 7. What is the name of Newton's 2nd Law of Motion? A) Law of Force and Acceleration. B) Law of Inertia. C) Law of Action / Reaction. D) None of the above. Show Answer Correct Answer: A) Law of Force and Acceleration. 8. For every action there is an equal reaction A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. What is the name of Newton's 1st Law of Motion? A) Law of Force and Acceleration. B) Law of Action / Reaction. C) Law of Inertia. D) None of the above. Show Answer Correct Answer: C) Law of Inertia. 10. If a baseball and a cannonball are dropped from the same height at the same time, which ball will hit the ground first? A) The cannonball. B) The baseball. C) The balls land at the same time. D) The ball with the larger volume. Show Answer Correct Answer: C) The balls land at the same time. 11. Newton's third law states for every action, there is an ..... reaction. A) Opposite and equal. B) Opposite and unequal. C) Unbalanced. D) Severe. Show Answer Correct Answer: A) Opposite and equal. 12. F=ma 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. 13. When you push on a wall, the wall pushes back on you with ..... force. A) Not enough. B) More. C) No. D) Equal. Show Answer Correct Answer: D) Equal. 14. When a bus starts moving all of a sudden, the head of the passenger sitting in the bus strikes the back of his seat. Is an example of what law?? A) First law of motion. B) 3rd law of motion. C) 2nd law of motion. D) None of the above. Show Answer Correct Answer: A) First law of motion. 15. Newton's Second Law of Motion can be written as F = ma. What does the letter "m" stand for? A) Motion. B) Mass. C) Magnitude. D) Movement. Show Answer Correct Answer: B) Mass. 16. What is the force of gravity on a 5 kg object? A) 5 kg. B) 5 N. C) 49 N. D) 0.51 N. Show Answer Correct Answer: C) 49 N. 17. Force = ..... A) Mv. B) $\frac{m}{a}$. C) Mass X Acceleration. D) Weight X Acceleration. Show Answer Correct Answer: A) Mv. 18. An object in motion stops when ..... A) It falls of an edge. B) It is acted upon by an outside force. C) It is eaten. D) It never stops. Show Answer Correct Answer: B) It is acted upon by an outside force. 19. The rate at which the speed or the direction of motion of an object changes over time A) Average speed. B) Gravity. C) Force. D) Acceleration. E) Inertia. Show Answer Correct Answer: D) Acceleration. 20. Whenever an object exerts a force on another object, the second object exerts a force of the same magnitude, but in the ..... direction to that of the first object. A) Opposite. B) Right angle. C) Same. D) Vertical. Show Answer Correct Answer: A) Opposite. 21. A child pushes down on a box lid with a force of 25 N. At the same time, her friend pushes down on the lid with a force of 30 N. The spring on the box lid pushes upward with a force of 60 N. Can the children close the box? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 22. A force that results from two objects rubbing past each other. A) Gravity. B) Friction. C) Inertia. D) Force. Show Answer Correct Answer: B) Friction. 23. What is an example of an noncontact force? A) Air resistance. B) Gravity. C) Friction. D) Unbalanced. Show Answer Correct Answer: B) Gravity. 24. If you double the mass of an object but apply the same force apply on it, the acceleration will ..... A) Double. B) Cut in half. C) The same. D) Zero. Show Answer Correct Answer: B) Cut in half. 25. Sliding friction A) The resistance created by any two objects when sliding against each other. B) A force that keeps an object at rest. C) Occurs between fluid layers that are moving relative to each other. D) None of the above. Show Answer Correct Answer: A) The resistance created by any two objects when sliding against each other. ← 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 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