Rotational Motion-Moment of Inertia (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 22 - 25 of 34

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Question number: 22

» Rotational Motion » Moment of Inertia

MCQ▾

Question

From a disc of radius R, a concentric circular portion of radius r is cut out so as to leave an annular disc of mass M. The moment of inertia of this annular disc about the axis perpendicular to its plane and passing through its center of gravity is,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 23

» Rotational Motion » Moment of Inertia

MCQ▾

Question

One circular ring and one circular disc, both are having the same mass and radius. The ratio of their moments of inertia about the axes passing through their centers and perpendicular to their planes, will be

Choices

Choice (4) Response

a.

1: 1

b.

1: 2

c.

2: 1

d.

4: 1

Question number: 24

» Rotational Motion » Moment of Inertia

MCQ▾

Question

Moment of inertia of a disc about its own axis is I. its moment of inertia about a tangential axis in its plane is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 25

» Rotational Motion » Moment of Inertia

MCQ▾

Question

Four thin rods of same mass M and same length l form a square as shown in figure. Moment of inertia of this system about an axis through center O and perpendicular to its plane is,

Arrangement of four rod - mass M and same length l

Arrangement of Four Rod - Mass M and Same Length L

In above fig we shows four thin rods of same mass M and same length l, form a square

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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