A flywheel of moment of inertia 4 kg m2 is rotated at a speed of 30 rad/s. A tangential force at the rim stops the wheel in 10 seconds. Average torque is

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Questions Match

1.
A flywheel of moment of inertia 4 kg m² is rotated at a speed of 30 rad/s. A tangential force at the rim stops the wheel in 10 seconds. Average torque is

1. 15 N-m2. 12 N-m3. 82 N-m4.

2.
Moment of inertia along the diameter of a ring is

1. 2. 3. MR24.

3.
The moment of inertia of semicircular ring of mass M and radius R about an axis which is perpendicular to the plane of the ring and passes through the centre

1. MR22. 3. 4. None of these

4.
Moment of inertia of a body does not depend upon

1. The angular velocity of the body2. The mass of the body3. The distribution of mass in the body4. The axis of rotation of the body

5.
A wheel of mass 10 kg has a moment of inertia of 160 kg m² about its own axis, the radius of gyration will be

1. 10 m2. 8 m3. 6 m4. 4 m

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A flywheel of moment of inertia 4 kg m2 is rotated at a speed of 30 rad/s. A tangential force at the rim stops the wheel in 10 seconds. Average torque is