Rotational Motion (AIIMS Physics): Questions 1 - 4 of 16

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Question number: 1

» Rotational Motion » Concepts of Rotational Motion

Appeared in Year: 2005

MCQ▾

Question

A horizontal platform is rotating with uniform angular velocity around the vertical axis passing through its center. At some instant of time a viscous fluid of mass “m” is dropped at the center and is allowed to spread out and finally fall on ground. The angular velocity during this period: - [AIIMS]

Choices

Choice (4) Response

a.

Decreases initially and increases again

b.

Decreases continuously

c.

Remains unaltered

d.

Increases continuously

Question number: 2

» Rotational Motion » Moment of Inertia

Appeared in Year: 1995

MCQ▾

Question

Three point masses, each of m, are placed at the corners of an equilateral triangle of side l Then the moment of inertia of this system about an axis along one side of the triangle is [AIIMS]

Choices

Choice (4) Response

a.

3ml2

b.

34ml2

c.

ml2

d.

32ml2

Question number: 3

» Rotational Motion » Concepts of Rotational Motion

MCQ▾

Question

If the equation for the displacement of a particle moving on a circular path is given by θ=2t3+0.5 , where θ is in radians and t in seconds, then the angular velocity of the particle after 2 s from its start is

Choices

Choice (4) Response

a.

24rads

b.

12rads

c.

36rads

d.

8rads

Question number: 4

» Rotational Motion » Conservation of Angular Momentum

Appeared in Year: 2002

MCQ▾

Question

The angular momentum of body remains conserve if – [AIIMS]

Choices

Choice (4) Response

a.

Applied force on body is zero.

b.

Applied torque on body is zero.

c.

Applied force on body is constant.

d.

Applied torque on body is constant.

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