This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A space shuttle only has enough fuel to get it out of Earth's atmosphere. Once the space shuttle is in space (where there is no friction/ air resistance) it will continue moving even without any fuel because of ..... A) Newton's First Law. B) Newton's Second Law. C) Newton's Third Law. D) The Law of Space and Redundancy Law. Show Answer Correct Answer: A) Newton's First Law. 2. What is the formula for calculating the force applied to an object, according to Newton's Second Law of Motion? A) $F = ma$. B) $F = \frac{m}{a}$. C) $F = m + a$. D) None of the above. Show Answer Correct Answer: A) $F = ma$. 3. Which model would represent Newton's law of action-reaction? A) Toy car rolling down a ramp. B) Toy rocket being launched. C) Toy boat floating in the water. D) Toy tractor being pushed over a hill. Show Answer Correct Answer: B) Toy rocket being launched. 4. 13) Force of gravity is directly proportional to A) Mass. B) Distance. C) Weight. D) Time. Show Answer Correct Answer: A) Mass. 5. Impulse is equal to A) Rate of change of momentum. B) Rate of force and time. C) Change of momentum. D) None of the above. Show Answer Correct Answer: C) Change of momentum. 6. The force of gravity acting on an object is an example of which type of force? A) Frictional force. B) Applied force. C) Normal force. D) Gravitation force. Show Answer Correct Answer: D) Gravitation force. 7. A bug weighs 10 mg and is flying at 40 mph. It hits a 2, 000 kg car which is also traveling at 40 mph. The bug splatters. Which force was stronger according to Newton's 3rd law? (hint:Force = mass x acceleration) A) The bug's force. B) The car window's force. C) The forces were equal. D) None of the above. Show Answer Correct Answer: B) The car window's force. 8. What is the standard unit of acceleration? A) M. B) M/s. C) M/s$^{2}$. D) S. Show Answer Correct Answer: C) M/s$^{2}$. 9. Newton's Second Law of Motion states ..... A) An object at rest will remain at rest, and an object in motion will remain in motion unless it is acted on by an unbalanced force. B) For every action, there is an equal and opposite reaction. C) Acceleration occurs when a force acts on a mass. The bigger the mass of the object the bigger the amount of force needed to accelerate the object. D) None of the above. Show Answer Correct Answer: C) Acceleration occurs when a force acts on a mass. The bigger the mass of the object the bigger the amount of force needed to accelerate the object. 10. Who is the scientist who came up with the Laws of Motion? A) Sir Issac Newton. B) The Greeks. C) John Dalton. D) Sir John Newt. Show Answer Correct Answer: A) Sir Issac Newton. 11. Strong nuclear force A) It holds the protons and neutrons in the nucleus of the atom and overcomes the repulsion between the protons. B) The force in an atomic nucleus responsible for radioactivity, and prompts the nuclear fusion reaction that fuels the sun. C) It determines the ways in which electrically charged particles interact with each other and with magnetic fields. D) The force of attraction acting between all matter. Show Answer Correct Answer: A) It holds the protons and neutrons in the nucleus of the atom and overcomes the repulsion between the protons. 12. Because of inertia, a resting object ..... A) Will remain at rest. B) Will move at a constant speed. C) Will eventually move. D) Is unbalanced. Show Answer Correct Answer: A) Will remain at rest. 13. What unit to you use (in a science class) for force? A) Kilograms (kg). B) Newtons (N). C) Meters per Second (m/s). D) Einsteins (E). Show Answer Correct Answer: B) Newtons (N). 14. Which law is known as the Law of Inertia? 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. 15. Inertia (the tendency of an object to resist a change in its motion) is included in which law of motion? A) 1st Law of Motion. B) 2nd Law of Motion. C) 3rd Law of Motion. D) None of the above. Show Answer Correct Answer: A) 1st Law of Motion. 16. An impulse depends on A) Weight and force. B) Force and time. C) Electric charge and time. D) None of these. Show Answer Correct Answer: B) Force and time. 17. A man weighing W is standing in a lift which is moving upwards with an acceleration a. The apparent weight of the man: A) W. B) W ( g-a) / g. C) W ( g + a ) /g. D) W ( a-g ) a. Show Answer Correct Answer: C) W ( g + a ) /g. 18. What is the mass of the body if the exerted force of 10N is accelerated by 5 m/s$^{2}$? A) 2.8kg. B) 2.5kg. C) 3.2kg. D) 2kg. Show Answer Correct Answer: D) 2kg. 19. What is always required to overcome inertia? A) Force of friction. B) Force of gravity. C) Unbalanced force. D) None of the above. Show Answer Correct Answer: C) Unbalanced force. 20. Which property of an object determines how much inertia it has? A) Velocity. B) Force. C) Mass. D) Acceleration. Show Answer Correct Answer: C) Mass. 21. One kilogram force equals to A) 9.8 dyne. B) 9.8 x 10$^{4}$ N. C) 98 x 10$^{4}$ dyne. D) 980 dyne. Show Answer Correct Answer: C) 98 x 10$^{4}$ dyne. 22. 1gf = how many dyne? A) 1000 dyne. B) 600 dyne. C) 980 dyne. D) 985 dyne. Show Answer Correct Answer: C) 980 dyne. 23. Which of the Newton's Laws describes the amount of force applied to accelerate an object's mass? A) Newton's First law. B) Newton's Second law. C) Newton's Third Law. D) Newton's Fourth Law. Show Answer Correct Answer: B) Newton's Second law. 24. A person is pushed forward into their seat belt when a car stops. Which law does this best illustrate? A) 1st inertia. B) 2nd acceleration. C) 2 and 3 acceleration and action/reaction. D) 3rd action/reaction. Show Answer Correct Answer: A) 1st inertia. 25. Which law of motion explains the tendency of an object to remain still unless acted upon by a force? A) First. B) Second. C) Third. D) None of the above. Show Answer Correct Answer: A) First. ← 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 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