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The new dimensional formula for the moment of inertia of a body is,

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Important Questions on Rotational Motion

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Physics Crash Course MHT-CET>Chapter 4 - Rotational Motion>Exercise 1>Q 34
The moment of inertia of a cube will be minimum about an axis which,
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Physics Crash Course MHT-CET>Chapter 4 - Rotational Motion>Exercise 1>Q 35
On account of melting of ice at the north pole, the moment of inertia of spinning earth,
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Physics Crash Course MHT-CET>Chapter 4 - Rotational Motion>Exercise 1>Q 37
The dimensional formula for the radius of gyration of a body is,
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Physics Crash Course MHT-CET>Chapter 4 - Rotational Motion>Exercise 1>Q 40
The radius of gyration of a disc of mass 100 g and radius 5cm about an axis passing through its centre of gravity and perpendicular to the plane is
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Physics Crash Course MHT-CET>Chapter 4 - Rotational Motion>Exercise 1>Q 41
The moment of inertia of a uniform semicircular disc of mass M and radius R about a line perpendicular to the plane of the disc through the centre is
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Physics Crash Course MHT-CET>Chapter 4 - Rotational Motion>Exercise 1>Q 43
A uniform disc of mass 2 kg is rotated about an axis perpendicular to the plane of the disc. If the radius of gyration is 50 cm, then the Moment of Inertia of the disc about same axis is
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Physics Crash Course MHT-CET>Chapter 4 - Rotational Motion>Exercise 1>Q 44
Moment of inertia of a ring of mass M and radius R about an axis passing through the centre and perpendicular to the plane is
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Physics Crash Course MHT-CET>Chapter 4 - Rotational Motion>Exercise 1>Q 45
A solid sphere of mass M and radius R having moment of inertia I about its diameter is recast into a solid disc of radius r and thickness t. The moment of inertia of the disc about an axis passing the edge and perpendicular to the plane remains I. Then R and r are related as