Motion, Forces, & Newton's Laws Review

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Motion, Forces, & Newton's Laws Review

  1. 1. Word Problems<br />
  2. 2. 1. Julie runs 0.99 laps on a 400 m track. What is her total distance travelled?<br />
  3. 3. 2. A cat runs 17 m into the street where a car runs over it. What is the cat’s total distance travelled? What is its displacement?<br />
  4. 4. If we’re trying to measure <br />how fast a pitched ball is moving,<br /> then we need to find the distance<br /> it traveled and divide it by the<br /> total time it took to travel.<br />
  5. 5. First find the distance traveled:<br />
  6. 6. If the pitching mound is 60 ft. 6 in. from home plate, that is roughly 18.5 meters.<br />v = d/t<br />and in this case, distance is 18.5 meters<br />So . . . Let’s say it took Chewy’s baseball<br />0.5 seconds to reach home plate, then . . . <br />
  7. 7. What is the velocity of the baseball?<br />
  8. 8. 3. Jamie walks to the bathroom 36 m away. It takes her 12 seconds. <br />What is her velocity?<br />
  9. 9. 4. Mrs. Lonnberg kicks a cat. Its speed increases from 2 m/s to 14 m/s.<br />This took 3 seconds. <br />What was the cat’s acceleration?<br />
  10. 10. 5. You punch someone.<br />His face accelerates at 2 m/s2.<br />The mass of his head is 12 kg.<br />With what force did you punch him? <br />
  11. 11. Are this man’s forces balanced?<br />How do you know?<br />
  12. 12. Are there balanced forces<br />in our solar system?<br />How do you know?<br />
  13. 13. Are these sky divers’ forces balanced?<br />How do you know?<br />
  14. 14. What is Newton’s 1st Law<br />otherwise known as?<br />
  15. 15.
  16. 16.
  17. 17. What is Newton’s 2nd Law?<br />
  18. 18. What two factors affect acceleration?<br />
  19. 19. What two factors affect acceleration?<br />
  20. 20.
  21. 21.
  22. 22. What is Newton’s 3rd Law?<br />
  23. 23.
  24. 24.
  25. 25.
  26. 26. What law says that any two masses<br />exert an attractive force on one another?<br />
  27. 27. How do you calculate the force of gravity between 2 objects?<br />
  28. 28.
  29. 29. High FPS slow motion video compilation<br />

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