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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 9 - Rotation > A circular platform is mounted on a vertical frictionless axle. Its radius is `r = 2 m` and its moment of inertia`I = 200 kg m^2`. It is initially at rest. A `70 kg` man stands on the edge of the platform and begins to walk along the edge at speed `v_0 = 1 m s^-1` relative to the ground.The angular velocity of the platform is

A circular platform is mounted on a vertical frictionless axle. Its radius is `r = 2 m` and its moment of inertia`I = 200 kg m^2`. It is initially at rest. A `70 kg` man stands on the edge of the platform and begins to walk along the edge at speed `v_0 = 1 m s^-1` relative to the ground.The angular velocity of the platform is

its. acceleration is then acceleration of its centre of mass is a . If the same sphere slides without friction When a solid sphere rolls without slipping down an inclined plane making an angle θ with the horizontal