Solved UPSC CDS/OTA Question
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Q · Work, Energy and PowerMedium · 45s
Select the correct statements: 1. A body moving in a circle at constant speed does work against centripetal force. 2. Power is a vector quantity. 3. The slope of the work-time graph gives power.
TopicWork, Energy and Power
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
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Centripetal force does no work (perpendicular to displacement). Power is scalar. The slope of the work-time graph gives power.
Final Answer: Option C - 3 only