Newton’s Laws Test J. Blackwell 1. When an object is at rest, the forces acting upon it are a. Balanced b. Unbalanced c. Unequal d. None of the above 2. When an object accelerates, the forces acting upon it are a. Balanced b. Unbalanced c. Unequal d. None of the above 3. An object in motion stays in motion until acted upon by an outside force a. Newton’s First Law b. Newton’s Second Law c. Newton’s Third Law d. None of the above 4. An object at rest stays at rest until acted upon by an outside force a. Newton’s First Law b. Newton’s Second Law c. Newton’s Law of Action and Reaction d. None of the above 5. The tendency of an object to remain in motion or at rest is called a. Reaction b. Inertia c. Air resistance d. None of the above 6. Newton’s second law states that a. An object in motion stays in motion b. For every force, there is an equal and opposite force c. Force equals mass times acceleration d. None of the above 7. For every force, there is an equal and opposite force a. Newton’s First Law b. Newton’s Second Law c. Newton’s Law of Inertia d. None of the above 8. Newton’s First Law is nicknamed a. Law of Inertia b. Law of Action and Reaction c. Law of equal and opposite force d. None of the above 9. Newton’s third law is nicknamed a. Law of Inertia b. Law of Action and Reaction c. Law of the Land d. None of the above 10. If you push against a wall, the wall will push back against you with a. More force b. Less force c. Equal force d. None of the above 11. A passenger in a car that suddenly stops will a. Continue moving forward b. Move backwards c. Not move at all d. None of the above 12. Force equals a. Mass/acceleration b. Mass + acceleration c. Acceleration/mass d. None of the above 13. Mass equals a. Force x acceleration b. Force/acceleration c. Acceleration/force d. None of the above 14. Acceleration equals a. Force/mass b. Force x mass c. Mass/force d. None of the above 15. Which of Newton’s laws makes it possible for us to push against the ground and walk? a. Newton’s First Law b. Newton’s Second Law c. Newton’s Third Law d. None of the above 16. Which law makes it possible for a space shuttle to travel through space without engines? a. Newton’s First Law b. Newton’s Second Law c. Newton’s Third Law d. None of the above 17. Which law makes it possible for a small football player to hit with a lot of force? a. Newton’s First Law b. Newton’s Second Law c. Newton’s Third Law d. None of the above 18. Which law allows a golf ball to remain on a tee until its hit? a. Newton’s First Law b. Newton’s Second Law c. Newton’s Law of Inertia d. None of the above 19. Which law causes a boxer’s hand to hurt if he strikes an opponent’s forehead? a. Newton’s First Law b. Newton’s Second Law c. Newton’s Law of Action and Reaction 20. What forces are acting upon a ball thrown into the air. a. Air resistance b. Gravity c. Air resistance and gravity d. None of the above 21. A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object a. 100 m/s² b. 4 m/s² c. ¼ m/s² d. None of the above 22. An object of mass 300 kg is observed to accelerate at the rate of 4 m/s2. Calculate the force required to produce this acceleration. a. 130 N b. 1200 N c. 1200 g d. None of the above 23. How much force does it take to make a rocket accelerate 12 m/s2 if the rocket has a mass of 50,000 kg? a. b. c. d. 600,000 N 600, 000 m/s² 4166.7 N None of the above 24. A super secret spy guy has a jetpack that helps him to fly. Super secret spy guy has a mass of 85 kg. How much force will it take for him to overcome gravity (9.8 m/s2) and fly? a. 8.7 N b. 833 N c. 833 g d. None of the above 25. Super skater Jan Crashinsoon attaches a rocket packet to his ice skating outfit. If he has a mass of 80 kg and the rocket generates a force of 360 N, what will Jan’s acceleration be? a. 28,800 m/s² b. 4.5 m/s² c. 4.5 N d. None of the above 26. Arnie Gosofas puts a new engine in his car. The car has a mass of 2500 kg and this engine can generate up to 8750 N of force. Theoretically, how much acceleration could Arnie get from his car? a. 3.5 N b. .29 N c. 3.5 m/s² d. None of the above 27. The circus is looking for a new human cannonball. The cannon needs to be able to accelerate the person 10 m/s2 to overcome gravity, and the cannon only generates 750 N of force. What is the largest mass a person could have and still be shot out of the cannon? a. 75 N b. 75 kg c. 7.5 kg d. None of the above 28. What is the mass of a pet armadillo that weighs 200 N (on Earth)? a. 20.4 m/s² b. 20.4 N c. 20.4 kg d. None of the above