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can an object be in pure translation as ...

can an object be in pure translation as well as in pure rotation?

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Knowledge Check

  • A : The work done by friction on an object during pure rolling motion is zero. R : In pure rolling motion, there is relative motion at the point of contact.

    A
    If both Assertion & Reason are true and the reason is the correct explanation of the assertion,
    B
    If both Assertion & Reason are true but the reason is not the correct explanation of the assertion,
    C
    If Assertion is true statement but Reason is false,
    D
    If both Assertion and Reason are false statements,

  • A rigid body not fixed in some way can have either pure translation or a combination of translation and rotation. In rotation about a fixed axis, every particle of the rigid body moves in a circle which lies in a plane perpendicular to the axis and has its centre on the axis.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false
    D
    If both assertion and reason are false.

  • For a pure rotational motion ,

    A
    `omega ` is same for all particles of body
    B
    linear velocity of each particle is same at an instant of time
    C
    `vv and omega ` are constant for all aprticles
    D
    None of the above

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    At any instant, a rolling body may be considered to be in pure rotation about an axis through the point of contact. This axis is translating forward with speed

    At any instant, a rolling body may be considered to be in pure rotation about an axis through the point of contact. This axis is translating forward with speed

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