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The moment of inertia of a disc of radius $0.5 m$ about its geometric axis is $2 kg m^{2}$ . If a string is tied to its circumference and a force of $10 N$ is applied, the value of torque with respect to this axis 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 46

The moment of inertia of a disc of radius

0.5 m

about its geometric axis is

2 kg m^{2}

. If a string is tied to its circumference and a force of

10 N

is applied, if the disc executes rotatory motion, its angular acceleration will be:-

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 47

The moment of inertia of a disc of radius 0.5 m about its geometric axis is 2kg-m². If a string is tied to its circumference and a force of 10 Newton is applied, if the disc executes rotatory motion, the value of its angular velocity after 2 seconds will be :-

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 48

The moment of inertia of a disc of radius

0.5 m

about its geometric axis is

2 kg m^{2}

. If a string is tied to its circumference and a force of

10 N

is applied, if the disc executes rotatory motion, the change in angular momentum of the disc in the first

2 seconds

(in

N m second

) will be-

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 49

The moment of inertia of a disc of radius

0.5 m

about its geometric axis is

2 kg m^{2}

. If a string is tied to its circumference and a force of

10 N

is applied, the angular displacement of the disc, in the first two seconds will be (in

radian

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 50

A particle of mass

M

and radius of gyration

K

is rotating with angular acceleration

α

. The torque acting on the particle is,

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 51

The grinding stone of a flour mill is rotating at

600 rad s^{- 1}

. For this, power of

1.2 kW

is used. The effective torque on stone (in

N m

) will be

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 52

A rigid body is rotating about an axis. To stop the rotation, we have to apply

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Beta Question Bank for Medical: Physics>Chapter 10 - Rotational Mechanics>Exercise (Conceptual Questions)>Q 53

A wheel has a moment of inertia

5 \times 10^{- 3} kg m^{2}

and is making

20 rev \sec^{- 1}

. The torque needed to stop it in

10 \sec

. . . \times 10^{- 2} N m

The moment of inertia of a disc of radius 0.5 m about its geometric axis is 2 kg m2. If a string is tied to its circumference and a force of 10 N is applied, the value of torque with respect to this axis will be:

Important Questions on Rotational Mechanics

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The moment of inertia of a disc of radius $0.5 m$ about its geometric axis is $2 kg m^{2}$ . If a string is tied to its circumference and a force of $10 N$ is applied, the value of torque with respect to this axis will be: