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Applied Mechanics and Graphic Statics
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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______________?
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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______________?
A. 2 J
B. 4 J
C. 6 J
D. 8 J
Correct Answer:
4 J
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Last Updated:
January 18, 2019