Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 35

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Three particles, each of mass $m$ are situated at the vertices of an equilateral triangle $A B C$ of side $𝓁$ (as shown in the figure).

The moment of inertia of the system about a line $A X$ perpendicular to $A B$ and in the plane of $A B C$ , will be:-

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Important Questions on Rotational Mechanics

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 36

A solid cylinder of mass

20 kg

has length

1 m

and radius

0.2 m

. Then its moment of inertia (in

kg m^{2}

) about its geometrical axis is:-

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 37

The moment of inertia

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 38

The moment of inertia of a circular ring (radius R, mass M) about an axis which passes through tangentially and perpendicular to its plane will be :

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 39

What is the moment of inertia of the ring about its diameter?

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 40

In the rectangular lamina shown in the figure, $A B = \frac{B C}{2}$ . The moment of inertia of the lamina is minimum along the axis passing through:-

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 41

Which of the following bodies of the same mass and same radius has a minimum moment of inertia?

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 42

A ring and a solid sphere of the same mass and radius are rotating with the same angular velocity about their diametric axes, then

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 43

For rotational motion, the Newton’s second law of motion is indicated by