Motion & Forces Practice Quiz 1

Mrs. Poarch

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  1. It would probably be easiest to ride a bicycle across ______
  2. Your answer:
    gravel
    sand
    the grass
    a sidewalk


  3. The force that always acts opposite to the direction of the motion of an object is called_____
  4. Your answer:
    gravity
    inertia
    friction
    none of these


  5. According to Newton's 3rd law, forces always occur in ____ pairs.
  6. Your answer:
    equal but complementary
    equal but opposite
    unequal but opposite
    unequal but complementary


  7. Neweton first described gravity while watching _____
  8. Your answer:
    smoke rise
    a car accelerate
    someone walking
    an apple falling


  9. You would NOT use _____ to find the acceleration of an object.
  10. Your answer:
    initial speed
    final speed
    weight
    time


  11. Newton's _____ law of motion explains why you may lean sideways in a car if the driver turns a corner too quickly.
  12. Your answer:
    first
    second
    third
    primary


  13. _____ is the speed of an object and the direction of motion.
  14. Your answer:
    Friction
    Mass
    Gravity
    Velocity


  15. To calculate average speed, you would use _____
  16. Your answer:
    weight and distance
    distance and time
    acceleration
    weight and time


  17. ______ is used to describe an object slowing down because of decreasing speed.
  18. Your answer:
    Acceleration
    Average speed
    Negative acceleration
    Inertia


  19. An object that has a(n) _____ will acceleration in the direction of the force.
  20. Your answer:
    normal force
    net force
    frictional force
    speed


  21. Negative acceleration is sometimes called ______
  22. Your answer:
    Friction
    Deceleration
    Speed
    Inertia


  23. _____ is the rate at which an object covers a given distance.
  24. Your answer:
    Force
    Speed
    Motion
    Acceleration


  25. _____ is NOT a force.
  26. Your answer:
    All of these
    Friction
    Gravity
    Mass


  27. Stepping on a wagon and watching the wagon move away from you is an example of Newton's _____ law.
  28. Your answer:
    first
    third
    second
    gravitational


  29. The speed of an object at any instance in time is its ____ speed
  30. Your answer:
    velocity
    average
    instananeous
    fastest



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