Chapter 3: Linear Motion

10 Questions | Total Attempts: 1194

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Motion Quizzes & Trivia

Questions and Answers
  • 1. 
    The two measurements necessary for calculating average speed are
    • A. 

      Acceleration and time

    • B. 

      Velocity and time

    • C. 

      Distance and time

    • D. 

      Distance and acceleration

    • E. 

      Velocity and distance

  • 2. 
    A horse gallops a distance of 10 kilometers in a time of 30 minutes. Its average speed is
    • A. 

      15 km/h

    • B. 

      20 km/h

    • C. 

      30 km/h

    • D. 

      40 km/h

  • 3. 
    A car maintains a constant velocity of 100 km/hr for 10 seconds. During this interval its acceleration is
    • A. 

      Zero

    • B. 

      10 km/hr

    • C. 

      110 km/hr

    • D. 

      1000 km/hr

  • 4. 
    While an object near the Earth's surface is in free fall, its
    • A. 

      Velocity increases

    • B. 

      Acceleration increases

    • C. 

      Mass increases

    • D. 

      Mass decreases

  • 5. 
    A hockey puck is set in motion across a frozen pond. If ice friction and air resistance are neglected, the force required to keep the puck sliding at constant velocity is
    • A. 

      Zero

    • B. 

      Equal to its weight

    • C. 

      Equal to its weight divided by its mass

    • D. 

      Equal to the product of its mass times its weight

  • 6. 
    An object at rest near the surface of a distant planet starts to fall freely. If the acceleration there is twice that of the Earth, its speed one second later would be
    • A. 

      10 m/s

    • B. 

      20 m/s

    • C. 

      30 m/s

    • D. 

      40 m/s

  • 7. 
    If an object falling freely were somehow equipped with an odometer to measure the distance it travels, then the amount of distance it travels each succeeding second would be
    • A. 

      Constant

    • B. 

      Less and less each second

    • C. 

      Greater than the second before

    • D. 

      Doubled

  • 8. 
    If a freely falling object were somehow equipped with a speedometer, its speed reading would increase each second by about
    • A. 

      5 m/s

    • B. 

      10 m/s

    • C. 

      15 m/s

    • D. 

      A variable amount

    • E. 

      Depends on its initial speed

  • 9. 
    If a freely falling object were somehow equipped with a speedometer on a planet where the acceleration due to gravity is 20 m/s/s, then its speed reading would increase each second by
    • A. 

      10 m/s

    • B. 

      20 m/s

    • C. 

      30 m/s

    • D. 

      40 m/s

    • E. 

      Depends on its initial speed

  • 10. 
    Twelve seconds after starting from rest, an object falling freely will have a speed of
    • A. 

      10 m/s

    • B. 

      50 m/s

    • C. 

      100 m/s

    • D. 

      More than 100 m/s

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