Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 62

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The graph between the angular momentum $J$ and angular velocity $ω$ for a body 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 63

When a man is rotating in a plane about a fixed point, his angular momentum is directed along :

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 64

A ring of mass

10 kg

and diameter

0.4 m

is rotating about its geometrical axis at

1200

rotations per minute. Its moment of inertia and angular momentum will be, respectively,

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 65

The rotational kinetic energy of two bodies of moments of ineritia

9 kg m^{2}

and

1 kg m^{2}

respectively are same. The ratio of their angular momentum is :-

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 66

A fan of the moment of inertia

0.6 kg m^{2}

is to run up to a working speed of

0.5

revolution per second. Indicate the correct value of the angular momentum of the fan:

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 67

A mass M is moving with a constant velocity parallel to

x -

axis. Its angular momentum with respect to the origin is:

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 68

Two bodies have their moments of inertia

l

and

2 I

respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momenta will be in the ratio

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 69

The rotatinal kinetic energy of a body is

E

and its moment of inertia

I

. The angular momentum is

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 70

A body of mass

10 kg

and radius of gyration

0.1 m

is rotating about an axis. If angular speed is

10 rad s^{- 1}

, then angular momentum will be:-