Newton's 2nd Law Exam Questions! Quiz

10 Questions | Total Attempts: 4319

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Newton

2ND LAW physics.


Questions and Answers
  • 1. 
    Compared to a 1kg block of solid iron, a 2kg block of solid iron has twice as much:
    • A. 

      Inertia

    • B. 

      Mass

    • C. 

      Volume

    • D. 

      All

    • E. 

      None

  • 2. 
    An object weighs 30N on earth. A second object weighs 30N on the moon. Which the greater mass? (Note: due to its size, the moon has less gravity than the earth.)
    • A. 

      Object on moon

    • B. 

      Object on earth

    • C. 

      Same mass

    • D. 

      Depends on air resistance

  • 3. 
    One object had twice as much mass as another object. The first object also has twice as much:
    • A. 

      Volume

    • B. 

      Gravitational acceleration

    • C. 

      Inertia

    • D. 

      Velocity

  • 4. 
    An object is propelled along a straight-line path by force. If the net force were doubled, its acceleration would:
    • A. 

      Halve

    • B. 

      Double

    • C. 

      Quadruple

    • D. 

      Stay the same

  • 5. 
    The force of friction on a sliding object is 10 newtons. The applied force needed to maintain a constant velocity is:
    • A. 

      Less than 10N

    • B. 

      More than 10N

    • C. 

      10N

  • 6. 
    A 10N falling object encounters 4N of air resistance. The net force on the object is:
    • A. 

      4N

    • B. 

      0N

    • C. 

      6N

    • D. 

      10N

    • E. 

      None of the above

  • 7. 
    Which of the following has zero acceleration? An object
    • A. 

      Moving at a constant velocity

    • B. 

      At rest

    • C. 

      At equilibrium

    • D. 

      All of the above

  • 8. 
    A 10kg block with an initial velocity of 10m/s slides 10m across a horizontal surface and comes to rest. It takes the block 2 seconds to stop. The stopping force acting on the block is about:
    • A. 

      5N

    • B. 

      10N

    • C. 

      25N

    • D. 

      50N

  • 9. 
    A 10kg block is pushed across a horizontal surface with a horizontal force of 20N against a friction force of 10N. The acceleration of the block in meters per second per second is:
    • A. 

      1

    • B. 

      5

    • C. 

      2

    • D. 

      10

  • 10. 
    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. 

      Equal to the weight of the puck

    • B. 

      The weight of the puck divided by the mass of the puck

    • C. 

      The mass of the puck multiplied by 9.8 m/s

    • D. 

      Zero newtons

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