AIPMT 2005 | Rotational Motion Question 69 | Physics

AIPMT 2005

MCQ (Single Correct Answer)

-1

Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular velocity will be in the ratio

2 : 1

1 : 2

$$\sqrt 2 :1$$

$$1:\sqrt 2 $$

AIPMT 2005

MCQ (Single Correct Answer)

-1

The moment of inertia of a uniform circular disc of radius R and mass M about an axis passing from the edge of the disc and normal to the disc is

MR²

$${1 \over 2}$$ MR²

$${3 \over 2}$$ MR²

$${7 \over 2}$$ MR²

AIPMT 2005

MCQ (Single Correct Answer)

-1

A drum of radius R and mass M, rolls down without slipping along an inclined plane of angle $$\theta $$. The frictional force

dissipates energy as heat

decreases the rotational motion

decreases the rotational and translation motion

converts translational energy to rotational energy.

AIPMT 2004

MCQ (Single Correct Answer)

-1

The ratio of the radii of gyration of a circular disc about a tangential axis in the plane of the disc and of a circular ring of the same radius about a tangential axes in the plane of the ring is

2 : 3

2 : 1

$$\sqrt 5 :\sqrt 6 $$

$$1:\sqrt 2 $$

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