Rotational Motion-Moment of Inertia (AIIMS Physics): Questions 1 - 3 of 3

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Question number: 1

» 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: 2

» Rotational Motion » Moment of Inertia

MCQ▾

Question

Two rings of the same mass of 5 kg and radius 2 m are placed such that their centers are at a common point and their planes are perpendicular to each other. The moment of inertia of the system about an axis passing through the centre and perpendicular to the plane of one of the rings is –

Choices

Choice (4) Response
a.

30kgm2

b.

120kgm2

c.

20kgm2

d.

60kgm2

Question number: 3

» Rotational Motion » Moment of Inertia

Appeared in Year: 2004

MCQ▾

Question

A round disc of moment of inertia 150kgm2 about its axis perpendicular to its plane and passing through its centre is placed over another disc of moment of inertia 100kgm2 rotating with an angular velocity 50rads about the same axis. The final angular velocity of the combination of discs is –

[AIPMT]

Choices

Choice (4) Response
a.

50rads

b.

40rads

c.

30rads

d.

60rads

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