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Momentum & Impulse Fastcheck 2

Quiz by Charlotte Wiggins

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20 questions
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  • Q1
    Momentum is a vector quantity.
    Don't Pick this
    Don't Pick this
    False
    True
    30s
  • Q2
    The standard unit on momentum is the Joule.
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    False
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    True
    30s
  • Q3
    An object which is moving at a constant speed has momentum.
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    Don't Pick this
    True
    False
    30s
  • Q4
    An object can be traveling eastward and slowing down; its momentum is westward.
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    True
    Don't Pick this
    False
    30s
  • Q5
    The momentum of an object varies directly with the speed of the object
    True
    Don't Pick this
    False
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    30s
  • Q6
    Two objects of different mass are moving at the same speed; the more massive object will have the greatest momentum.
    True
    Don't Pick this
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    False
    30s
  • Q7
    A less massive object can never have more momentum than a more massive object.
    True
    False
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    Don't Pick this
    30s
  • Q8
    Impulse is a force
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    True
    False
    30s
  • Q9
    The kg•m/s is equivalent to the units on impulse.
    False
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    True
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    30s
  • Q10
    A force of 100 N acting for 0.1 seconds would provide an equivalent impulse as a force of 5 N acting for 2.0 seconds.
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    True
    False
    45s
  • Q11
    A truck driving along a highway road has a large quantity of momentum. If it moves at the same speed but has twice as much mass, its momentum is ________________.
    Zero
    Quadrupled
    Twice as much
    Halved
    30s
  • Q12
    In order to catch a ball, a baseball player naturally moves his or her hand backward in the direction of the ball's motion once the ball contacts the hand. This habit causes the force of impact on the players hand to be reduced in size principally because ___.
    The time of impact is DECREASED
    The impact velocity is REDUCED
    The time of impact is INCREASED
    The momentum change is DECREASED
    30s
  • Q13
    Suppose that you're driving down the highway and a moth crashes into the windshield of your car. Which undergoes the greater change is momentum?
    The moth
    The car
    Both are the same
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    30s
  • Q14
    Cars are equipped with padded dashboards. In collisions, the padded dashboards would be safer than non-padded ones because they ____.
    Increase Momentum Change
    Increase the impact time
    Decrease the impact time
    Decrease Momentum Change
    30s
  • Q15
    A 4 kg object has a momentum of 12 kg•m/s. The object's speed is ___ m/s.
    3
    48
    4
    12
    30s

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