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A disc can roll wihtout slippingg, witho...

A disc can roll wihtout slippingg, without applying any external force on a

A

rough inclined plane

B

smooth inclined plane

C

rough horizontal surface

D

smooth horizontal surface

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
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Knowledge Check

  • A particle of mass 'm' is attached to the rim of a uniform disc of mass 'm' and radius R. The disc is rolling wihtout slipping on a stationery horizontal surface as shown in the figure. At a particular instant, the particle is at the topmost position and centre of the disc has speed v_(0) amd its angular speed is omega . Choose the correct option (s).

    A
    `v_(0)=omegaR`
    B
    kinetic energy of the system is `(11)/(4) mv_(0)^(2)`.
    C
    speed of point mass m is less than `2v_(0)`
    D
    `|v_(C)-v_(B)|=|v_(B)-v_(D)|`

  • A : rigid body can't be in a pure rolling on a rough inclined plane without giving any external force. R : Since there is no torque providing force acting on the body in the above case, the body can't come in a rolling condition.

    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,

  • As shown in the figure, a disc of mass m is rolling without slipping with angular velocity omega . When it crosses point B disc will be in

    A
    translational motion only
    B
    pure rolling motion
    C
    rotational motion only
    D
    none of these

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