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5 questions
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  • Q1

    What is the moment of inertia formula of a hallow cylinder with an axis through the center?

    Question Image

    D

    B

    C

    A

    60s
    STEM_GP12RED-IIa-1
  • Q2

    Four rigid bodies have the same mass and distance from their axis through the center. Which object could rotate easier?

    Cylinder

    Sphere

    Hoop

    Uniform rod

    60s
    STEM_GP12RED-IIa-1
  • Q3

    What is the quantitative measurement of how easily a body can be rotated about a given axis?

    Circumference

    Moment of inertia

    Axis of rotation

    Radius

    60s
    STEM_GP12RED-IIa-1
  • Q4

    Suppose a solid sphere and a hoop are rolled up an inclined plane with the same initial velocity. Which object will travel furthest up the plane?

    Hoop

    Both will reach same

    Will stop at the middle

    Sphere

    60s
    STEM_GP12RED-IIa-1
  • Q5

    An ice skater spinning while her arms are out. She then put her arms in. What happens to the moment of inertia of the ice skater?

    Does not change

    Becomes zero

    Increase

    Decrease

    60s
    STEM_GP12RED-IIa-1

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