17. A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec, . The work required to stop the hoop is______________? September 7, 2025 by Admin A. 2 J B. 4 J C. 6 J D. 8 J ✅ The correct answer is option B.
