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A cylinder is rolling down a rough incli...

A cylinder is rolling down a rough inclined plane. Its angular momentum about the point of contact remains constant. Is this statement true or false?

Text Solution

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Torque of `mgsintheta` is non-zero. So, angular momentum is not constant.
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Knowledge Check

  • A solid cylinder is rolling down a rough inclined plane of inclination theta . Then

    A
    The friction force is dissipative
    B
    The friction force is necessarily changing
    C
    The friction force will aid rotation but hinder translation
    D
    The friction force is reduced if `theta` is reduced

  • A solid cylinder is rolling without slipping down an inclined plane. Then its angular momentum is :

    A
    Conserved about COM of the cylinder
    B
    Conserved about point of contact
    C
    Conserved about all the points
    D
    Not conserved about any point

  • If a solid cylinder rolls down an inclined plane, then its:

    A
    rotational energy is `1//3` and the translational energy `2//3` of its total K.E.
    B
    translational energy is `1//3` and rotational energy is `2//3` of its total K.E.
    C
    rotational and translational energies are equal.
    D
    entire energy is rotational K.E.

    • Similar Questions

    Explore conceptually related problems

    When a body rolls, on a stationary ground, the acceleration of the point of contact is always zero. Is this statement true or false?

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    A solid cylinder is rolling down the inclined plane without slipping. Which of the following is correct?

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