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Motion, Forces And Energy Unit Test

37 Questions
Energy Quizzes & Trivia

Chapters: 1, 2, 5 and 6

Questions and Answers
  • 1. 
    Match the sentence with the apropriate word.
    • A. An object is in motion if it is moving relative to a(n)
    • A.
    • B. To calculate acceleration, divide the change in ______________ by the time during which the acceleration occurs
    • B.
    • C. The velocity of an objectgives both its speed and
    • C.
    • D. You can calculate an average if you know both the total distance and the total time of a trip.
    • D.
  • 2. 
    Friction acts in a direction __________ to the direction of an object's motion
    • A. 

      Unrelated

    • B. 

      Opposite

    • C. 

      Equal

    • D. 

      Perpendicular

  • 3. 
    Unless an object at rest is acted upon by a force, it stays at rest due to its 
    • A. 

      Matter

    • B. 

      Inertia

    • C. 

      Friction

    • D. 

      Gravity

  • 4. 
    A 10-kg ball is accelerated 500m/s (squared) by a force of...
    • A. 

      5000 N

    • B. 

      50 N

    • C. 

      500 N

    • D. 

      1/50 N

  • 5. 
    A (n) ______________ can cause an objects motion to change
    • A. 

      Unbalanced force

    • B. 

      Balanced force

    • C. 

      Inertia

    • D. 

      Mass

  • 6. 
    The amount of matter in an object is called its 
    • A. 

      Weight

    • B. 

      Force

    • C. 

      Inertia

    • D. 

      Mass

  • 7. 
    Newtons second law of motion states the relationship of mass, acceleration and force.  It says that....
    • A. 

      Force equals mass divided by acceleration

    • B. 

      Force equals acceleration divided by mass

    • C. 

      Force equals mass times acceleration

    • D. 

      Every object attracts every other object in the universe

  • 8. 
    A(n) ___________ causes objects to move in a circle
    • A. 

      Centripetal force

    • B. 

      Large weight

    • C. 

      Terminal velocity

    • D. 

      Acceleration

  • 9. 
    Forces can be added together on if they are acting on different objects.
    • A. 

      True

    • B. 

      False

  • 10. 
    According to Newton;s second law of motion, acceleration increases as force increases, if mass stays the same.
    • A. 

      True

    • B. 

      False

  • 11. 
    The force exerted by gravity is stronger if two objects are closer.
    • A. 

      True

    • B. 

      False

  • 12. 
    The force of friction acts between all objects in the universe.
    • A. 

      True

    • B. 

      False

  • 13. 
    A satellite in orbit around Earth is always falling toward Earth.
    • A. 

      True

    • B. 

      False

  • 14. 
    Jake and Tom want to see who is strogest, so they got a rope and decided to play tug-o-war.  Both boys pulled at the rope with all of their strength, but neither of them moved.   This is called unbalanced force. 
    • A. 

      True

    • B. 

      False

  • 15. 
    Patty was walking very quickly through the cafeteria with her tray full of food when she tripped over a broomstick and flew forward along with all of her food.   This is an example of Newton's first law of motion which states,  "...an obect in motion will stay in motion..."
    • A. 

      True

    • B. 

      False

  • 16. 
    Potential energy is the energy 
    • A. 

      Of velocity

    • B. 

      Of motion

    • C. 

      Of distance

    • D. 

      That is stored

  • 17. 
    Kinetic energy depends on 
    • A. 

      Only mass

    • B. 

      Only velocity

    • C. 

      Height

    • D. 

      Mass and velocity

  • 18. 
    Your body converts chemical energy to all of the following EXCEPT
    • A. 

      Nuclear energy

    • B. 

      Thermal energy

    • C. 

      Chemical energy

    • D. 

      Electrical energy

  • 19. 
    A girl throws a ball 15m into the air.  The ball has a maximum potential energy at a height of 
    • A. 

      0m

    • B. 

      5m

    • C. 

      10m

    • D. 

      15m

  • 20. 
    An electric blanket converts electrical energy to 
    • A. 

      Nuclear energy

    • B. 

      Chemical energy

    • C. 

      Mechanical energy

    • D. 

      Thermal energy

  • 21. 
    The formula, Work/ Time (Work divided by Time) is used to calculate
    • A. 

      Kinetic energy

    • B. 

      Potential energy

    • C. 

      Power

    • D. 

      Mechanical energy

  • 22. 
    Work is the transfer of energy.
    • A. 

      True

    • B. 

      False

  • 23. 
    Potential energy that depends on height is gravitational potential energy.
    • A. 

      True

    • B. 

      False

  • 24. 
    The law of conservation of energy states that when one form of energy is converted to another, SOME energy is destroyed. 
    • A. 

      True

    • B. 

      False

  • 25. 
    Power is the rate at which energy is lost. 
    • A. 

      True

    • B. 

      False

  • 26. 
    Plants convert electromagnetic energy to chemical energy.
    • A. 

      True

    • B. 

      False

  • 27. 
    The energy stored in fossil fuels is released by burning.
    • A. 

      True

    • B. 

      False

  • 28. 
    A moving object can do work so it has potential energy.
    • A. 

      True

    • B. 

      False

  • 29. 
    Elastic potential energy is associated with objects that can be stretched. 
    • A. 

      True

    • B. 

      False

  • 30. 
    A rubber band that is flying across the room is moving because it has kinetic energy.
    • A. 

      True

    • B. 

      False

  • 31. 
    Match the sentence with the apropriate word.
    • A. _____________ is the total energy of all of the particles in a substance
    • A.
    • B. The movement when heated fluid rises and is replaced by a cooler fluid is called a(n) _________________ current.
    • B.
    • C. The temperature at which a solid changes to a liquid is the ______________.
    • C.
    • D. A(n) __________________ is a device that transfers thermal energy from a cool region to a warm region.
    • D.
  • 32. 
    On the Celcius scale, the number 0 is assigned to the temperatures at which water condenses. 
    • A. 

      True

    • B. 

      False

  • 33. 
    The state of a substance depends ont he amound of thermal energy it posesses.
    • A. 

      True

    • B. 

      False

  • 34. 
    Temperature is a measure of the average potential energy of each particle within an object.
    • A. 

      True

    • B. 

      False

  • 35. 
    A rider finishes a 120 km bicycle trip in 3 hours.  The average speed of the rider is....
    • A. 

      360 km/hr

    • B. 

      40 km/hr

    • C. 

      3.6 m/s

    • D. 

      4 m/s

  • 36. 
    An airplane that moves 50 meters in one second has a speed of....
    • A. 

      500 cm/s

    • B. 

      180,000 m/h

    • C. 

      1,800 km/h

    • D. 

      5,000 m/h

  • 37. 
    An object cannot be accelerating if it is changing direction.
    • A. 

      True

    • B. 

      False

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