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For a body rolling along a level surface...

For a body rolling along a level surface, the translational and rotational K.E are equal. The body is

A

Solid cylinder

B

disc

C

ring

D

hallow sphere

Text Solution

Verified by Experts

The correct Answer is:
C
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(A) : A body slides down the plane and another body of same mass rolls down from the top of same inclined plane. Then the velocity of centre of mass is more for sliding body on reaching the bottom. (R ) : On reaching to the bottom of the plane, rolling body has both translational and rotational kinetic energies where as sliding body has only translational kinetic energy.

(A) : The total kinetic enery of rolling solid sphere is the sum of translational and rotational kinetic energies. (R ) : For all solid bodies total kinetic energy is always twice translational kinetic energy.

Knowledge Check

  • For a body rolling along a level surface, without slipping the translational and rotational kinetic energies are in the ratio 2:1 . The body is

    A
    Hollow sphere
    B
    solid cylinder
    C
    Ring
    D
    Solid sphere

  • For a body rolling along a level surface, without slipping the translational and rotational kinetic energies are in the ratio 2: 1. The body is

    A
    Hollow sphere
    B
    Solid cylinder
    C
    Ring
    D
    Solid sphere

  • For a body rolling along a level surface, without slipping the translational and rotational kinetic energies are in the ratio 2:1 . The body is

    A
    Hollow sphere
    B
    Solid cylinder
    C
    Ring
    D
    Solid sphere

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    Explore conceptually related problems

    When a solid sphere is rolling along level surface the percentage of its total kinetic energy that is translational is

    When a solid sphere is rolling along level surface the percentage of its total kinetic energy that is translational is

    When a solid sphere is rolling along level surface the percentage of its total energy that is translational is

    (A) : If body or a system has neither translational nor rotational motion then it is in complete mechanical equilibrium (R) : A body or system is said to be in mechanical equilibrium when net force and net torque acting on the body are zero

    (A) : If body or a system has neither translational nor rotational motion then it is in complete mechanical equilibrium. (R ) : A body or system is said to be in mechanical equilibrium when net force and net torque acting on the body are zero.

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