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qUESTIONS

MCQs-PYQs-12th-jee

A solid disc rolls clockwise without slipping over a horizontal path with a constant speed v. Then the magnitude of the velocities of points A,B and C (see figure) with respect to a standing observer are, respectively,

MCQs-PYQs-12th-jee

A wheel is rolling along the ground with a speed of 2 ms^-1. The magnitude of the velocity of the points at the extremities of the horizontal diameter of the wheel is equal to

MCQs-PYQs-12th-jee

A solid cylinder 30 cm in diameter at the top of an inclined plane 2.0 m high is released and rolls down the incline without loss of energy due to friction. Its linear speed at the bottom is

MCQs-PYQs-12th-jee

The speed of a homogenous solid sphere after rolling down an inclined plane of vertical height h, from rest without sliding is:

MCQs-PYQs-12th-jee

A solid cylinder of mass M and radius R rolls without slipping down an inclined plane of length L and height h. What is the speed of its centre of mass when the cylinder reaches its bottom

MCQs-PYQs-12th-jee

A body of moment of inertia of 3 kg-m^2 rotating with an angular velocity of 2 rad / sec has the same kinetic energy as a mass of 12 kg moving with a velocity of

MCQs-PYQs-12th-jee

The total kinetic energy of a rolling sphere having translational velocity is

MCQs-PYQs-12th-jee

An object is rolling without slipping on a horizontal surface and its rotational kinetic energy is two-third of translational kinetic energy. The body is

MCQs-PYQs-12th-jee

Two bodies have their moments of inertia l and 2l respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular velocity will be in the ratio

MCQs-PYQs-12th-jee

An automobile engine develops 100 kilo−watt, when rotating at a speed of 1800rev/min. Find the torque developed by it.

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