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qUESTIONS

MCQs-PYQs-12th-jee

The radius of gyration of a uniform rod of length L about an axis passing through its centre of mass is

MCQs-PYQs-12th-jee

Moment of inertia of a ring of mass m = 3 gm and radius r = 1 cm about an axis passing through its edge and parallel to its natural axis is

MCQs-PYQs-12th-jee

The moment of inertia of a sphere of mass M and radius R about an axis passing through its centre is 2 / 5 M R^2. The radius of gyration of the sphere about a parallel axis to the above and tangent to the sphere is

MCQs-PYQs-12th-jee

A wheel of mass 1kg has moment of inertia 160kg-m2 about its own axis. The radius of gyration is

MCQs-PYQs-12th-jee

The moment of inertia of a meter scale of mass 0.6 kg about an axis perpendicular to the scale and located at the 20cm position on the scale in kg m² is:

MCQs-PYQs-12th-jee

Three particles each of mass m gram are situated at vertices of an equilateral triangle ABC of side 1 cm. The moment of inertia of the system about a line ABC perpendicular to AB, and in the plane of ABC in g/cm2 units will be

MCQs-PYQs-12th-jee

Radius of gyration of her body depends upon

MCQs-PYQs-12th-jee

A circular disc is to be made by using iron and aluminium, so that it acquires maximum moment of inertia about its geometrical axis. It is possible with

MCQs-PYQs-12th-jee

Five particles of Mars 2 kg are attached to a rim of a circular disc of radius. 0.1m and negligible mass. Moment of inertia of the system about the axis passing through the centre of the disc and the particular to its plane is

MCQs-PYQs-12th-jee

The latest rotates with uniform angular velocity, which of the following is not true

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