Book M Ch 1 Modified

18 Questions

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Book M Ch 1 Modified

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Questions and Answers
  • 1. 
    Occurs when an object speeds up, slows down, or turns.
    • A. 

      Inertia

    • B. 

      Acceleration

  • 2. 
    Total distance traveled divided by the total time it took to travel that distance.
    • A. 

      Average speed

    • B. 

      Velocity

  • 3. 
    The speed of an object at one instant of time.
    • A. 

      Average speed

    • B. 

      Momentum

  • 4. 
    The measure of how difficult it is to stop a moving object.
    • A. 

      Average speed

    • B. 

      Momentum

  • 5. 
    The speed and direction of a moving object
    • A. 

      Velocity

    • B. 

      Inertia

  • 6. 
    The distance and direction from a starting point to a stopping point
    • A. 

      Acceleration

    • B. 

      Displacement

  • 7. 
    Calculate the speed of a swimmer who swam 150m in 88s. Round to the nearest 10th.  ________ m/s. (Put the numeric value only, not the m/s).  You may use your calculator.
  • 8. 
    A girl walked 200 meters north, 100 meters east,and 200 meters south. What is the total distance she traveled in meters? Put the numeric value only.
  • 9. 
    A girl walked 200 meters north, 100 meters east,and 200 meters south. What was her displacement?  _____m East.
  • 10. 
    An object has a speed of 2.00 m/s. Three seconds later it is going 8.00 m/s. What average acceleration did it experience?   ______ m/s 2. You may use your calculator.
  • 11. 
    What is the SI unit used for distance?
    • A. 

      Kg

    • B. 

      M

  • 12. 
    What is the SI unit for mass?
    • A. 

      Kg

    • B. 

      M

  • 13. 
    How is acceleration expressed?
    • A. 

      M/s

    • B. 

      M/s2

  • 14. 
    What does a horizontal line on a distance/time graph represent?
    • A. 

      0 speed (stopped)

    • B. 

      No change in accleration

  • 15. 
    What does a line sloping upward mean in a Velocity/time graph mean?
    • A. 

      Positive acceleration

    • B. 

      Negative acceleration

  • 16. 
    The momentum of a falling leaf is ___ than the momentum of a falling pinecone.
    • A. 

      Less than

    • B. 

      Greater than

  • 17. 
    A 50 kg object moves with a velocity of 10 m/s. What is its momentum?  _______ kg x m/s.  (Write the numeric value only). You may use your calculator.
  • 18. 
    Choose one of the following to write an essay on. -Why do we say that a merry-go-round is accelerating if it is going a constant speed? -If you hear that a tornado in a town near you is traveling 25 km/h, can you determine if you should seek shelter? -Why would an airplane's displacement be nearly the same as the distance it traveled?