Solved UPSC CDS/OTA Question
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Q · Work, Energy and PowerMedium · 45s
Which of these machines works on the conservation of energy?
TopicWork, Energy and Power
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Simple machines transform energy, obeying the conservation of energy.
Final Answer: Option D — All of these