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# Motion, Forces, & Newton's Laws Review

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