This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Physics (Part I) Chapter 3 Laws Of Motion – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 16 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If a car is in an accident, air bags and seat belts may help reduce injury to a passenger bydecreasing the force that stops the passenger's motion. The force is reduced because the seat belts or air bags decrease the-Group of answer choices A) Acceleration of the passenger. B) Mass of the passenger. C) Reaction time of the driver. D) Speed of the vehicle. Show Answer Correct Answer: A) Acceleration of the passenger. 2. You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch? A) 60 N right. B) 60 n right. C) 10 N left. D) 50 N left. Show Answer Correct Answer: A) 60 N right. 3. Friction is a force that acts A) In the same direction as the force. B) Opposite to the direction of the force. C) With the force. D) Towards the direction of the force. Show Answer Correct Answer: B) Opposite to the direction of the force. 4. When looking at friction problems, if the net force in the x-direction on an object is zero, what can we say about its acceleration? A) It is positive. B) It is negative. C) It is zero. D) Not enough information is given. Show Answer Correct Answer: C) It is zero. 5. What do we call it when the net force is greater than zero? A) A balanced force. B) An unbalanced force. C) Inertia. D) Reaction. Show Answer Correct Answer: B) An unbalanced force. 6. One object has twice as much mass as another object. The first object also has also twice as much ..... A) Velocity. B) Gravitational acceleration. C) Inertia. D) All of these. Show Answer Correct Answer: C) Inertia. 7. If the force acting on a body is doubled, then the acceleration produced is A) Halved. B) Doubled. C) Quadrupled. D) Remains same. Show Answer Correct Answer: B) Doubled. 8. A student crashed a blue cart into a block three different ways, all at fast speed. One time the cart had 0 washers, one time it had 4 washers and one time it had 8 washers. In which case was the force on the cart largest? A) When the cart had 0 washers. B) When the cart had 4 washers. C) When the cart had 8 washers. D) It was always the same force. Show Answer Correct Answer: C) When the cart had 8 washers. 9. Force, mass, and acceleration are all ..... A) Related to Newton's second law of motion. B) Related to Einstein's theory of relativity. C) Chemistry. D) None of the above. Show Answer Correct Answer: A) Related to Newton's second law of motion. 10. A magician pulls a tablecloth out from under some very expensive dishes, but the dishes do not move. Which law is this? A) Newton's first law. B) Newton's second law. C) Newton's third law. D) None of the above. Show Answer Correct Answer: A) Newton's first law. 11. Mass of an object can be defined by ..... A) How small an object is. B) How large an object is. C) How far an object is from the sun. D) How much matter an object is made out of. Show Answer Correct Answer: D) How much matter an object is made out of. 12. What is the First Law of Motion? A) The rate at which velocity changes. The state in which one object's distance from another is changing. B) An object at rest stays at rest and an object in motion stays in motion unless acted on by an unbalanced force. C) The overall force on an object when all the individual forces acting on an object are added together. D) Equal forces acting on an object in opposite direction. Show Answer Correct Answer: B) An object at rest stays at rest and an object in motion stays in motion unless acted on by an unbalanced force. 13. The force that prevents a ball rolling on the ground from continuing on it's path forever is ..... A) Friction. B) Gravity. C) Inertia. D) None of the above. Show Answer Correct Answer: A) Friction. 14. A greater applied force is required to move an object with a greater mass than one with a smaller mass. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. What is the force that causes objects to fall to Earth? A) Air resistance. B) Gravity. C) Water resistance. D) Pressure. Show Answer Correct Answer: B) Gravity. 16. A moving object will keep on moving until an outside force stops it. A) Law of Inertia. B) Law of Acceleration. C) Law of Interaction. D) None of the above. Show Answer Correct Answer: A) Law of Inertia. 17. Which law explains when a magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them. A) Law 1. B) Law 3. C) All the above. D) None of the above. Show Answer Correct Answer: A) Law 1. 18. A basketball player pushes off of the floor to shoot a lay up. As the student exerts force on the floor, which of these also occurs? A) The floor exerts an equal and opposite force on the basketball player. B) The floor exerts a downward force toward the center of Earth. C) The floor begins to accelerate toward the student. D) The floor does not exert any force. Show Answer Correct Answer: A) The floor exerts an equal and opposite force on the basketball player. 19. Newton's 3rd Law ..... A) Claims that for every action, there is no reaction at all. B) Asserts that for every action, there is a random reaction. C) States that for every action, there is an equal and opposite reaction. D) None of the above. Show Answer Correct Answer: C) States that for every action, there is an equal and opposite reaction. 20. An object is resting motionless on a surface. According to Newton's 1st Law, the object will only start to move if A) The net forces on the object equal zero. B) An unbalanced force is applied to the object. C) The upward force of the object is equal to its acceleration. D) Two forces that are equal and opposite are applied to the object. Show Answer Correct Answer: B) An unbalanced force is applied to the object. 21. When all the forces acting on an object cancel each other out; the net force is zero A) Potential energy. B) Kinetic energy. C) Balanced forces. D) Unbalanced forces. Show Answer Correct Answer: C) Balanced forces. 22. The amount of matter in an object is ..... A) Gravity. B) Weight. C) Mass. D) None of the above. Show Answer Correct Answer: C) Mass. 23. You are holding a bowl of hot soup while standing in the kitchen. As you begin to move, the soup spills out of the bowl. Upon reflection you realize that A) The soup spilled because of air resistance. B) If you had traveled faster this wouldn't have happened. C) The soup wanted to stay where it was, but you moved the bowl. D) The soup and the bowl act as one body with the same velocity. Show Answer Correct Answer: C) The soup wanted to stay where it was, but you moved the bowl. 24. Which best explains the law of force and acceleration (Newton's 2nd Law of Motion) A) Restraints keep passengers from falling out of a roller coaster. B) Riders must be certain heights so they have enough mass to ride. C) A larger force will be required to accelerate a roller coaster with more people. D) A roller coaster that goes up must also come down due to the force of gravity. Show Answer Correct Answer: C) A larger force will be required to accelerate a roller coaster with more people. 25. Lily blew up a balloon in science class and let it go. What science concept is being shown as the balloon flies around the room? A) Object at rest. B) Connection between mass and force. C) Action-reaction forces. D) None of the above. Show Answer Correct Answer: C) Action-reaction forces. ← 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