Newton's Law Assessment Noel Pd 2

34 Questions | Total Attempts: 32

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Newton

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Questions and Answers
  • 1. 
    In a head-on collision, any passenger wearing a seat belt becomes "part" of the car.
    • A. 

      True

    • B. 

      False

  • 2. 
    If a net or unbalanced force acts on an object, the object will change speed, and or directions
    • A. 

      True

    • B. 

      False

  • 3. 
    Gravity is the tendency of  an object to resist any change in its motion.
    • A. 

      True

    • B. 

      False

  • 4. 
    A force is a push or pull that one body exerts on another body.
    • A. 

      True

    • B. 

      False

  • 5. 
    Friction is the force that increase motion between two surfaces that are touching each other.
    • A. 

      True

    • B. 

      False

  • 6. 
    The greater an object's mass, the weaker the gravitational force on it.
    • A. 

      True

    • B. 

      False

  • 7. 
    A person in a head-on collision, who is not wearing a seat belt, continues to move forward at the same speed of the car because of _____.
    • A. 

      Inertia

    • B. 

      Friction

    • C. 

      Weigth

    • D. 

      Gravity

  • 8. 
    Forces that are equal in size and opposite in direction are _____.
    • A. 

      Unbalanced/net forces

    • B. 

      Frictional Forces

    • C. 

      Balanced Forces

    • D. 

      Gravitational Forces

  • 9. 
    Newton's first law of motion states that an object at rest stays at rest unless a(n) ____ acts on it.
    • A. 

      Balanced Force

    • B. 

      Unbalanced/Net Force

    • C. 

      Weak Force

    • D. 

      Strong Force

  • 10. 
    At the same speed, which object has the greatest momentum?
    • A. 

      Bowling Ball

    • B. 

      Ping Pong Ball

    • C. 

      Golf Ball

    • D. 

      Marble

  • 11. 
    The amount of gravitational force between objects depends on their ____.
    • A. 

      Frictional Forces

    • B. 

      Speed and Direction

    • C. 

      Intertia

    • D. 

      The object's masses and the distance between them

  • 12. 
    The correct value and units for momentum are ________.
    • A. 

      50 kg

    • B. 

      -20 m/s/s

    • C. 

      100 kg x m/s

    • D. 

      112 N

    • E. 

      20 m/s/s

  • 13. 
    The correct value and units for acceleration are ________.
    • A. 

      50 kg

    • B. 

      -20 m/s/s

    • C. 

      100 kg x m/s

    • D. 

      112 N

    • E. 

      30 m/s North

  • 14. 
    The correct value and units for weight or force are ________.
    • A. 

      50 kg

    • B. 

      -20 m/s/s

    • C. 

      100 kg x m/s

    • D. 

      112 N

    • E. 

      20 m/s/s

  • 15. 
    The correct value and units for velocity are ________.
    • A. 

      50 kg

    • B. 

      -20 m/s/s

    • C. 

      100 kg x m/s

    • D. 

      112 N

    • E. 

      30 m/s North

  • 16. 
    The upward force exerted on an object falling though air is ______.
    • A. 

      Terminal Velocity

    • B. 

      Momentum

    • C. 

      Air Resistance

    • D. 

      Weightlessness

  • 17. 
    Friction always act in a direction ___ to the object's direction of motion
    • A. 

      Equal

    • B. 

      Opposite

    • C. 

      Perpendicular

    • D. 

      Parallel

  • 18. 
    In the equation, p=mv, p reprents ____
    • A. 

      Momentum

    • B. 

      Friction

    • C. 

      Interia

    • D. 

      Velocity

  • 19. 
    The relationship among force, mass and acceleration is explained by ____.
    • A. 

      Newton's First Law of Motion

    • B. 

      Newton's Second Law of Motion

    • C. 

      Newton's Third Law of Motion

    • D. 

      The Law of Conservation of Momentum

  • 20. 
    When a gun is fired the "kick back" of the gun is explained by ______.
    • A. 

      Newton's First Law of Motion

    • B. 

      Newton's Second Law of Motion

    • C. 

      Newton's Third Law of Motion

    • D. 

      The Law of Inertia

  • 21. 
    A feather will fall through the air more slowly than a brick because of ____
    • A. 

      Gravity

    • B. 

      Air Resistance

    • C. 

      Terminal Velocity

    • D. 

      Inertia

  • 22. 
    In the absence of air, a penny and a feather that are dropped from the same height will_____.
    • A. 

      Fall at different rates

    • B. 

      Float

    • C. 

      Fall at the same rates

    • D. 

      Not have momentum

  • 23. 
    If a 300 N action force is exerted to the right, the reaction force will be ______.
    • A. 

      300 N to the right

    • B. 

      600 N to the right

    • C. 

      300 N to the left

    • D. 

      600 N to the left

  • 24. 
    Acceleration due to gravity is _____.
    • A. 

      98 m/s/s

    • B. 

      9.8 m/s/s

    • C. 

      9.8 m/s

    • D. 

      .98 m/s

  • 25. 
    A real car moving at 10 km/hr has more momentum than a toy car moving at the same rate because ______.
    • A. 

      The real car has a greater mass

    • B. 

      The real car has less mass

    • C. 

      The real car moves faster

    • D. 

      Of friction

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