SUPER

Physics

9th -

12thgrade

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Quiz 6

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29 questions

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  • 1. Multiple Choice
    1 minute
    1 pt
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    The moment of inertia:

    is synonymous with mass

    does not depend on where the mass is located

    is resistance to a change in rotational motion

    indicates that more resistance to change = less inertia

  • 2. Multiple Choice
    5 minutes
    1 pt
    Image

    Calculate the torque produced by 25 N perpendicular force at the end of a 0.40 m long wrench.


    Hint: T = F x r

    10 Nm

    1.0 Nm

    10.0 Nm

    12 Nm

  • 3. Multiple Choice
    5 minutes
    1 pt
    A 15-kg child is sitting on a playground teeter-totter, 1.5 m from the pivot. What is the magnitude of the minimum force, applied 0.30 m on the other side of the pivot, that is needed to make the child lift off the ground?
    66 N
    740 N
    23 N
    44 N
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