Rotational Motion-Conservation of Angular Momentum (AIIMS Physics): Questions 1 - 3 of 3

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Question number: 1

» 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.

Question number: 2

» Rotational Motion » Conservation of Angular Momentum

Appeared in Year: 2005

MCQ▾

Question

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 momentum will be in the ratio – [AIPMT]

Choices

Choice (4) Response

a.

2:1

b.

1:2

c.

2:1

d.

1:2

Question number: 3

» Rotational Motion » Conservation of Angular Momentum

MCQ▾

Question

A rotating platform of moment of inertia 120kgm2 completes one rotation in 20 seconds. A person of mass 80kg is standing at the centre of platform. If the person moves at a distance of 1m from the centre along the radius then find the angular velocity of the platform.

Choices

Choice (4) Response

a.

π200rads

b.

3π50rads

c.

π50rads

d.

3π200rads

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