# 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 _____ ? with Answer - Civil Engineering Mcqs | TestPrep

> Solved MCQ: 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 _____ ? Correct Answer: B. 4 J. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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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 _____ ?

Direct Answer & Quick Reference

The correct option is **B. 4 J**.

A. 2 J

B. 4 J **(Correct Answer)**

C. 6 J

D. 8 J

✨ Explain with AI

Verified Key: B. 4 J
Solved by 1,875+ students

Verified against official examination board answer keys and standard curriculum textbooks.

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