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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Physics > Chapter 6 - System of Particles and Rotational Motion > A hoop of radius 2m weight 100kg. It rolls along a horizontal floor so that its centre of mass has a speed of 20cms^−1. How much work has to be done to stop it ?

A hoop of radius 2m weight 100kg. It rolls along a horizontal floor so that its centre of mass has a speed of 20cms^−1. How much work has to be done to stop it ?

A hoop of radius 2m weight 100kg. It rolls along a horizontal floor so that its centre of mass has a speed of 20cms^−1. How much work has to be done to stop it ?