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## Test One: Forces and Motion Quiz1. Velocity is a vector, that means that it must always indicate a speed and:Direction, Standard units, Quantity, Time 2. Any change in an objects speed or direction is defined as: Inertia class page , Acceleration, Friction, Motion 3. The tendency of an object to resist changes in motion, or the tendency of an object to keep doing what it is doing, is called: Friction, Gravity, Inertia, Force 4. If an unbalanced force acts on an object at rest, the object will: Remain at rest, Accelerate, Declerate, Explode 5. printable Newtonâ€™s Second Law describes the relationship between: Inertia, momentum, and mass, Force, mass, and inertia prepare quiz , Mass, force, and momentum., Force, mass, and acceleration 6. Which of these types of friction is the strongest? Static friction, Rolling friction, Sliding friction, Nuclear friction 7. The only universal force that can attract AND repel is: Gravity, Friction, Nuclear forces, Electromagnetic forces 8. The weakest, but most obvious, universal force is: Gravity, Friction, Nuclear forces, Electromagnetic Forces 9. Which universal force acts over the longest distance? Gravity , Friction mix questions , Nuclear forces, Electromagnetic forces 10. For every action, there is an equal and opposite reaction. This statement is a summary of: Newton%27s First Law of Motion create online quizzes , Newton%27s Second Law of Motion, Newton%27s Third Law of Motion, Newton%27s Law of Universal Gravity 11. Force = Mass x Acceleration (F = m x a) Newton%27s First Law of Motion, Newton%27s Second Law of Motion teaching , Newton%27s Third Law of Motion, Newton%27s Law of Universal Gravitation 12. An object at rest or in motion stays at rest or in motion unless an unbalance force acts upon it. Newton%27s First Law of Motion, Newton%27s Second Law of Motion, Newton%27s Third Law of Motion, Newtons%27 Law of Universal Gravitation 13. Every object in the universe attracts every other object in the universe. Newton%27s First Law of Motion, Newton%27s Second Law of Motion, Newton%27s Third Law of Motion, Newton%27s Law of Universal Graviation 14. A plane travelled 2500 miles in 5 hours. What is the average speed of the plane? 12,500 miles, 50 miles per hour, 2500 miles per hour, 500 miles per hour 15. It is 360 miles from Greensboro to Atlanta. What would your average speed be if you cover that distance in 6 hours? 60 miles per hour, 360 miles per hour online learning games , 2160 miles per hour, 6 hours 16. What force is necessary to kick a 0.5 kg football at an acceleration of 20 m/s/s ? 40 Newtons, 20 Newtons, 5 Newtons, 10 Newtons 17. What is the acceleration if you push a 10 kg bicycle with a force of 2 Newtons? 20 m/s/s, 5 m/s/s, 0.2 m/s/s, 12 m/s/s 18. What is the momentum of a 1000 kg car going 9 m/s? 9,000 kg-m/s, 0.009 kg-m/s, 111.1 kg-m/s, 1,900 kg-m/s 19. An object moving in a straight line with a constant speed has no forces acting upon it. How will the object%27s motion change over time? The object will gradually slow down and stop., Centripetal force will cause the object to move in a circle., It depends on whether or not the object is rolling., The object%27s motion will remain unchanged. 20. How will the motion of a ball rolling on the ground change if it encounters a frictional force opposing its motion? The ball will speed up, The ball will slow down, The ball%27s speed will not change., None of the above 21. The combination of all forces acting upon an object is called: balanced force web tool , net force, unbalanced force, momentum 22. Imagine a skydiver leaping from a plane. Which of the following statements is NOT correct? The diver accelerates toward the ground due to gravity., Gravity and air resistance act in opposite directions., Gravity slows the diver%27s velocity., Air resistance slows the diver%27s velocity. 23. Based on the equation acceleration = force/mass, if NO unbalanced force acts upon an object, the object%27s: acceleration would be positive, acceleration would be negative, acceleration would be zero, mass will increase |