MEDIUM
NEET
IMPORTANT
Earn 100

All the particles of a rigid rotating body move in a circular path when the axis of rotation:-
(a)passes through any point in the body
(b)is situated outside the body
(c)situated any where
(d)passes through the centre of mass

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Important Questions on Rotational Mechanics
EASY
NEET
IMPORTANT
The quantity not involved directly in rotational motion of the body is

EASY
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IMPORTANT
Moment of inertia of a body about a given axis depends upon:

MEDIUM
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IMPORTANT
A flywheel is so constructed that almost whole of its mass is concentrated at its rim because

HARD
NEET
IMPORTANT
The moment of inertia of a solid cylinder about its own axis is the same as its moment of inertia about an axis passing through its centre of gravity and perpendicular to its length. The relation between its length and radius is:

MEDIUM
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IMPORTANT
The wheels of moving vehicles are made hollow in the middle and thick at the periphery because

HARD
NEET
IMPORTANT
Four similar point masses (each of mass ) are placed on the circumference of a disc of mass and radius . The M.I. of the system about the normal axis through the centre will be:-

MEDIUM
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IMPORTANT
By the theorem of perpendicular axes, if a body be in -plane, then:

MEDIUM
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IMPORTANT
The theorem of perpendicular axes is not applicable for the determination of the moment of inertia along the diameter, for which of the following body?
