This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A meteor moving 468 km per minute traveling in a south-to-north direction passed near Earth in 2013. Because the meteor was only 45 m wide and was 27, 700 km above Earth's surface, it was not visible without the aid of a telescope. Which statement describes the meteor's motion? A) Its velocity was 7.8 km/s northward. B) Its acceleration was 468 km/s$^{2}$. C) Its speed was 468 km/s northward. D) Its acceleration was 7.8 km/s$^{2}$. Show Answer Correct Answer: A) Its velocity was 7.8 km/s northward. 2. Action and reaction don't cancel each other because they:- A) Act in two different directions. B) Act on two different bodies. C) Are not equal in magnitude. D) Are in same direction. Show Answer Correct Answer: B) Act on two different bodies. 3. Which choice below best defines gravity? A) A force that pushes away. B) An objects ability to accelerate. C) An objects mass attracting other objects towards it. D) The ability to change the speed and direction of an object. Show Answer Correct Answer: C) An objects mass attracting other objects towards it. 4. A force that causes an object to slow down when it touches another object is ..... A) Gravity. B) Friction. C) Inertia. D) Newton. Show Answer Correct Answer: B) Friction. 5. At rest or having no motion A) Static. B) Friction. C) Gravity. D) Noncontact force. Show Answer Correct Answer: A) Static. 6. Which of Newton's three laws does the following example illustrate? If you have a hockey puck sliding along a table, it will eventually come to a stop. A) Newton's First Law. B) Newton's Second Law. C) Newton's Third Law. D) All of the above. Show Answer Correct Answer: A) Newton's First Law. 7. Newton's 3rd Law of Motion A) The force applied = the object's mass times the acceleration; F=ma. B) The property of a moving object that depends on its mass and velocity. C) The law of inertia. The greater the mass, the greater the inertia. D) For every action, there is an equal and opposite reaction. Show Answer Correct Answer: D) For every action, there is an equal and opposite reaction. 8. Newton's 2nd law of motion states the higher the mass of an object, the more it resists ..... A) Acceleration. B) Force. C) Change. D) None of the above. Show Answer Correct Answer: C) Change. 9. Acceleration and force:direct proportion;acceleration and mass: ..... A) Direct proportion. B) Direct square proportion. C) Inverse proportion. D) Inverse square proportion. Show Answer Correct Answer: C) Inverse proportion. 10. A Horse is able to pull the cart forward due to ..... A) Perpendicular component of normal force. B) Parallel component of normal force. C) Frictional force. D) Gravitational force. Show Answer Correct Answer: B) Parallel component of normal force. 11. Plotting a graph for momentum on the X-axis and time on Y-axis. The slope of the momentum-time graph gives A) Force. B) Impulsive force. C) Rate of force. D) Acceleration. Show Answer Correct Answer: A) Force. 12. For a force on an object there is an equal and opposite force. A) Newton's first law of motion. B) Newton's second law of motion. C) Newton's third law of motion. D) None of the above. Show Answer Correct Answer: C) Newton's third law of motion. 13. Acceleration due to gravity g = A) 9.8 ms$^{-2}$. B) 9.8 cms$^{-2}$. C) 980 ms$^{2}$. D) 9.8 ms$^{2}$. Show Answer Correct Answer: A) 9.8 ms$^{-2}$. 14. Motion is caused by A) Energy. B) Forces. C) Laws. D) Mass. Show Answer Correct Answer: B) Forces. 15. An object will always move in the direction of the ..... force. A) Larger. B) Smaller. C) Equal. D) None of the above. Show Answer Correct Answer: A) Larger. 16. A cat sitting on couch, a pencil on desk and a car at rest are all example of ..... A) Balanced Force. B) Unbalanced Force. C) All the above. D) None of the above. Show Answer Correct Answer: A) Balanced Force. 17. The action-reaction name is a misnomer because both forces are part of a ..... interaction. A) Single. B) Multiple. C) Equal. D) Opposite. Show Answer Correct Answer: A) Single. 18. An object at rest will remain at rest as long as the net force acting on it is A) Positive. B) Zero. C) Strong. D) None of the above. Show Answer Correct Answer: B) Zero. 19. When we stop pedalling, the bicycle begins to slow down. This is because of the A) Frictional force acting along the direction of motion of bicycle. B) Air resistance which is in the direction of motion. C) Frictional force acting opposite to the direction of motion of bicycle by the road. D) Nature of the bicycle to stop after some time. Show Answer Correct Answer: C) Frictional force acting opposite to the direction of motion of bicycle by the road. 20. When there is an INCREASE in MASS of an object you will have a DECREASE in ..... A) Friction. B) Acceleration. C) Force. D) Gravity. Show Answer Correct Answer: B) Acceleration. 21. Property of an object to resist any change in its state of motion. A) Dynamics. B) Force. C) Inertia. D) Motion. Show Answer Correct Answer: C) Inertia. 22. When a net force is applied to an object, it will always produce a change in its: A) Velocity. B) Speed. C) Mass. D) Postion. Show Answer Correct Answer: A) Velocity. 23. If a force of 10 N is applied to a 2 kg object, what is the acceleration of the object? A) $5 \, \text{m/s}^2$. B) $10 \, \text{m/s}^2$. C) $20 \, \text{m/s}^2$. D) $2 \, \text{m/s}^2$. Show Answer Correct Answer: A) $5 \, \text{m/s}^2$. 24. Newton's First Law says that an object that is not moving will ..... A) Stay at rest. B) Keep moving with a constant velocity. C) Resist any physical change. D) Has mass. Show Answer Correct Answer: A) Stay at rest. 25. The third 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: D) Law of Action/Reaction:For every action there is an equal and opposite reaction. ← 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